Notes - Segment Information, Etc.
| Concept | 2023-09-01 to 2024-02-29 | 2023-09-01 to 2024-02-29 | 2023-09-01 to 2024-02-29 | 2023-09-01 to 2024-02-29 | 2023-09-01 to 2024-02-29 | 2023-09-01 to 2024-02-29 | 2022-09-01 to 2023-02-28 | 2022-09-01 to 2023-02-28 | 2022-09-01 to 2023-02-28 | 2022-09-01 to 2023-02-28 | 2022-09-01 to 2023-02-28 | 2022-09-01 to 2023-02-28 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 
                                                392,983,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                28,685,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                716,110,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,137,779,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,137,779,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                336,744,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                42,396,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                853,985,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,233,126,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,233,126,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Transactions with other segments | 
                                                7,947,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                600,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -8,547,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,547,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -20,465,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                19,265,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,200,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                20,465,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |