Consolidated Balance Sheet
| Concept | As at 2025-03-31 | As at 2024-09-30 | 
|---|---|---|
| Consolidated balance sheet | ||
| Balance sheet | ||
| Assets | ||
| Non-current assets | ||
| Property, plant and equipment | ||
| Buildings and structures | — | — | 
| Buildings and structures, net | 
                                                784,943,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                803,260,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Own-used assets | ||
| Land | 
                                                392,744,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                392,744,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | — | — | 
| Other, net | 
                                                186,633,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                186,030,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Property, plant and equipment | 
                                                1,364,321,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,382,036,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Intangible assets | ||
| Goodwill | 
                                                2,133,558,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                482,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other intangible assets | ||
| Other | 
                                                248,089,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                120,121,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Intangible assets | 
                                                2,381,648,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                120,603,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Investments and other assets | ||
| Investments and other assets | 
                                                401,530,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                229,839,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current assets | 
                                                4,147,500,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,732,478,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current assets | ||
| Cash and deposits | 
                                                3,020,248,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,826,486,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Notes and accounts receivable - trade | 
                                                659,127,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                414,143,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Merchandise and finished goods | 
                                                1,952,061,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,885,728,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Inventories | 
                                                2,124,999,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,088,224,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Raw materials and supplies | 
                                                172,938,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                202,495,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                453,233,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                327,044,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Allowance for doubtful accounts | 
                                                -3,003,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,350,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current assets | 
                                                6,271,738,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,662,256,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Assets | 
                                                10,419,239,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,394,735,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities and net assets | ||
| Non-current liabilities | 
                                                2,533,755,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                252,731,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Long-term borrowings | 
                                                2,428,638,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                157,624,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Retirement benefit liability | 
                                                17,622,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,313,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current liabilities | 
                                                3,420,425,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,981,784,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Short-term borrowings | 
                                                1,010,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                820,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Notes and accounts payable - trade | 
                                                965,111,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                570,962,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities | 
                                                5,954,180,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,234,515,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Shareholders' equity | 
                                                4,424,831,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,160,220,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Share capital | 
                                                665,119,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                665,119,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Capital surplus | 
                                                638,287,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                638,287,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Retained earnings | 
                                                3,382,471,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,117,844,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Treasury shares | 
                                                -261,046,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -261,030,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Share acquisition rights | 
                                                612,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-controlling interests | 
                                                39,614,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net assets | 
                                                4,465,058,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,160,220,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities and net assets | 
                                                10,419,239,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,394,735,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities | ||
| Current liabilities | ||
| Current portion of long-term borrowings | 
                                                606,320,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                146,844,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Income taxes payable | 
                                                267,162,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                63,407,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Provisions | ||
| Provision for bonuses | 
                                                31,674,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                33,243,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                467,432,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                332,555,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current liabilities | ||
| Other | 
                                                66,159,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                63,458,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net assets | ||
| Shareholders' equity |