Notes - Segment Information, Etc.
| Concept | 2023-09-01 to 2024-08-31 | 2023-09-01 to 2024-08-31 | 2023-09-01 to 2024-08-31 | 2023-09-01 to 2024-08-31 | 2023-09-01 to 2024-08-31 | 2023-09-01 to 2024-08-31 | 2022-09-01 to 2023-08-31 | 2022-09-01 to 2023-08-31 | 2022-09-01 to 2023-08-31 | 2022-09-01 to 2023-08-31 | 2022-09-01 to 2023-08-31 | 2022-09-01 to 2023-08-31 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Notes - Segment information, etc. | ||||||||||||
| Segment information | ||||||||||||
| Disclosure of sales, profit (loss), asset, liability, and other items for each reportable segment | ||||||||||||
| Sales | ||||||||||||
| Revenues from external customers | 
                                                8,825,161,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,637,344,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,200,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                186,617,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,825,161,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                133,112,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,503,100,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,637,480,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,637,480,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,267,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Transactions with other segments | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other items | ||||||||||||
| Depreciation | 
                                                132,067,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,287,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                21,634,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                282,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                102,863,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                124,780,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                61,640,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,879,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                15,603,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                77,526,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                83,406,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                282,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Increase in property, plant and equipment and intangible assets | 
                                                10,215,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,215,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,215,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                297,727,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                80,571,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                378,299,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                378,299,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |