Consolidated Balance Sheet
| Concept | As at 2024-08-31 | As at 2024-02-29 | 
|---|---|---|
| Consolidated balance sheet | ||
| Balance sheet | ||
| Assets | ||
| Non-current assets | ||
| Property, plant and equipment | ||
| Buildings and structures | — | — | 
| Buildings and structures, net | 
                                                5,462,388,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,150,074,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Own-used assets | ||
| Machinery, equipment and vehicles | — | — | 
| Machinery, equipment and vehicles, net | 
                                                680,811,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                595,159,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Land | 
                                                5,178,844,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,201,391,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Leased assets | — | — | 
| Leased assets, net | 
                                                194,061,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                284,048,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | — | — | 
| Other, net | 
                                                729,802,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                710,654,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Property, plant and equipment | 
                                                12,245,907,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,941,328,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Intangible assets | 
                                                4,224,733,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,191,832,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Goodwill | 
                                                2,534,400,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,693,742,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                1,690,333,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,498,089,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Intangible assets | ||
| Other intangible assets | ||
| Investments and other assets | ||
| Investment securities | 
                                                512,031,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                435,860,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Deferred tax assets | 
                                                1,173,637,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,143,660,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                311,220,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                311,174,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Allowance for doubtful accounts | 
                                                -2,105,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -2,105,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Investments and other assets | 
                                                6,522,751,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,357,611,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Guarantee deposits | 
                                                4,527,966,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,469,022,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current assets | 
                                                22,993,392,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                22,490,772,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current assets | ||
| Cash and deposits | 
                                                15,141,168,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                15,899,596,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Accounts receivable - trade | 
                                                4,207,788,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,403,946,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Merchandise and finished goods | 
                                                875,720,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,004,452,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Work in process | 
                                                50,558,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                41,495,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Raw materials and supplies | 
                                                300,098,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                273,876,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                1,151,513,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                918,705,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current assets | 
                                                21,726,847,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                21,542,074,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Assets | 
                                                44,720,240,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                44,032,846,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities | ||
| Non-current liabilities | ||
| Long-term borrowings | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                64,264,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Lease liabilities | 
                                                125,227,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                117,841,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Retirement benefit liability | 
                                                1,193,368,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,186,394,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                58,684,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                65,596,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current liabilities | 
                                                5,372,262,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,450,775,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Asset retirement obligations | 
                                                575,890,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                552,211,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current liabilities | ||
| Accounts payable - other | 
                                                1,778,926,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,898,087,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Income taxes payable | 
                                                933,268,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,164,631,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current portion of long-term borrowings | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,432,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Provisions | ||
| Provision for bonuses | 
                                                413,738,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                385,004,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                798,599,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,059,310,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current liabilities | 
                                                7,101,324,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,203,688,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities | 
                                                12,473,586,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                12,654,463,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities and net assets | ||
| Shareholders' equity | 
                                                30,325,389,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                30,007,779,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Share capital | 
                                                1,503,270,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,503,270,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Capital surplus | 
                                                1,392,593,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,389,950,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Retained earnings | 
                                                27,501,893,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                27,223,274,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Treasury shares | 
                                                -72,367,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -108,714,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Valuation and translation adjustments | 
                                                1,385,407,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                913,010,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Valuation difference on available-for-sale securities | 
                                                150,951,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                97,989,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Foreign currency translation adjustment | 
                                                1,229,169,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                809,460,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-controlling interests | 
                                                535,855,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                457,592,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net assets | 
                                                32,246,653,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                31,378,383,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities and net assets | 
                                                44,720,240,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                44,032,846,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net assets | ||
| Shareholders' equity | ||
| Valuation and translation adjustments | ||
| Remeasurements of defined benefit plans | 
                                                5,287,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,560,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |