Key Financial Data Of Reporting Company
| Concept | 2024-03-01 to 2024-05-31 | As at 2024-05-31 | 2023-09-01 to 2024-05-31 | 2022-09-01 to 2023-08-31 | As at 2023-08-31 | As at 2023-05-31 | 2022-09-01 to 2023-05-31 | 2023-03-01 to 2023-05-31 | 
|---|---|---|---|---|---|---|---|---|
| Key financial data of reporting company | ||||||||
| Business results of reporting company | ||||||||
| Net sales | — | — | 
                                                37,756,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                45,495,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                33,433,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Ordinary profit (loss) | — | — | 
                                                1,131,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -486,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -497,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Net assets | — | 
                                                10,210,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                9,485,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,080,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Total assets | — | 
                                                33,824,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                33,188,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                33,547,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Basic earnings (loss) per share | 
                                                13.87
                                                
                                             | — | 
                                                54.52
                                                
                                             | 
                                                -36.65
                                                
                                             | — | — | 
                                                -51.66
                                                
                                             | 
                                                9.04
                                                
                                             | 
| Diluted earnings per share | — | — |  |  | — | — |  | — | 
| Equity-to-asset ratio | — | 
                                                0.302
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | — | — | 
                                                0.286
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                0.271
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | — | — |