Key Financial Data Of Reporting Company
| Concept | 2023-09-01 to 2023-11-30 | As at 2023-11-30 | 2023-06-01 to 2023-11-30 | As at 2023-05-31 | 2022-06-01 to 2023-05-31 | 2022-09-01 to 2022-11-30 | 2022-06-01 to 2022-11-30 | As at 2022-11-30 | 
|---|---|---|---|---|---|---|---|---|
| Key financial data of reporting company | ||||||||
| Business results of reporting company | ||||||||
| Net sales | — | — | 
                                                5,702,164,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                11,367,532,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                5,650,251,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Ordinary profit (loss) | — | — | 
                                                741,675,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,690,228,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                915,170,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Net assets | — | 
                                                16,976,284,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                16,332,386,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                15,831,077,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Total assets | — | 
                                                21,024,339,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                20,634,196,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                19,975,716,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Basic earnings (loss) per share | 
                                                36.76
                                                
                                             | — | 
                                                72.34
                                                
                                             | — | 
                                                210.85
                                                
                                             | 
                                                47.71
                                                
                                             | 
                                                88.17
                                                
                                             | — | 
| Diluted earnings per share | — | — |  | — |  | — |  | — | 
| Equity-to-asset ratio | — | 
                                                0.803
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | — | 
                                                0.787
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | — | — | — | 
                                                0.788
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
| Net cash provided by (used in) operating activities | — | — | 
                                                465,860,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                982,998,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                133,398,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Net cash provided by (used in) investing activities | — | — | 
                                                -653,702,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                182,912,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -119,829,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Net cash provided by (used in) financing activities | — | — | 
                                                -173,849,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -112,919,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                94,520,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Cash and cash equivalents | — | 
                                                4,181,535,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                4,330,597,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                3,510,715,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |