Quarterly Balance Sheet
| Concept | As at 2023-10-31 | As at 2023-07-31 | 
|---|---|---|
| Quarterly balance sheet | ||
| Balance sheet | ||
| Assets | ||
| Current assets | ||
| Cash and deposits | 
                                                1,248,583,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                963,603,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Securities | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                14,738,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Merchandise and finished goods | 
                                                59,393,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                54,165,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Work in process | 
                                                23,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                104,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Raw materials and supplies | 
                                                55,760,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                55,927,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                6,900,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,223,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current assets | 
                                                1,619,977,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,395,668,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current assets | ||
| Property, plant and equipment | 
                                                1,874,075,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,794,279,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Property, plant and equipment | ||
| Buildings | — | — | 
| Buildings, net | 
                                                905,450,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                877,312,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Structures | — | — | 
| Structures, net | 
                                                88,088,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                90,179,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Machinery and equipment | — | — | 
| Machinery and equipment, net | 
                                                10,023,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,705,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Vehicles | — | — | 
| Vehicles, net | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Tools, furniture and fixtures | — | — | 
| Tools, furniture and fixtures, net | 
                                                60,239,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                52,013,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Land | 
                                                665,864,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                665,864,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Leased assets | — | — | 
| Leased assets, net | 
                                                74,899,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                64,135,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Construction in progress | 
                                                69,510,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                36,069,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Intangible assets | 
                                                42,974,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                32,893,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Intangible assets | ||
| Software | 
                                                16,467,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                17,882,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                3,406,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,460,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Investments and other assets | 
                                                651,623,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                635,150,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Investments and other assets | ||
| Investment securities | 
                                                16,508,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                16,129,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Long-term loans receivable | 
                                                27,232,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                27,864,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Long-term prepaid expenses | 
                                                66,456,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                63,215,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Deferred tax assets | 
                                                233,133,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                218,779,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                44,119,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                44,960,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current assets | 
                                                2,568,673,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,462,322,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Assets | 
                                                4,188,650,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,857,991,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities | ||
| Current liabilities | ||
| Income taxes payable | 
                                                41,205,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                13,777,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                90,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                143,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current liabilities | 
                                                1,056,389,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                908,047,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current liabilities | ||
| Bonds payable | 
                                                300,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                300,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Long-term borrowings | 
                                                1,018,975,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                853,787,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Asset retirement obligations | 
                                                174,164,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                173,869,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                16,081,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                14,849,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current liabilities | 
                                                1,708,481,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,534,991,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities | 
                                                2,764,870,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,443,038,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net assets | ||
| Shareholders' equity | ||
| Share capital | 
                                                664,419,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                664,419,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Capital surplus | 
                                                586,769,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                586,769,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Retained earnings | 
                                                174,870,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                168,884,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Treasury shares | 
                                                -1,526,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,526,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Shareholders' equity | 
                                                1,424,533,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,418,547,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Valuation and translation adjustments | ||
| Valuation difference on available-for-sale securities | 
                                                -753,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -3,595,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Valuation and translation adjustments | 
                                                -753,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -3,595,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net assets | 
                                                1,423,779,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,414,952,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities and net assets | 
                                                4,188,650,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,857,991,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |