Key Financial Data Of Group
| Concept | As at 2024-04-30 | 2024-02-01 to 2024-04-30 | As at 2024-01-31 | 2023-02-01 to 2024-01-31 | As at 2023-04-30 | 2023-02-01 to 2023-04-30 | 
|---|---|---|---|---|---|---|
| Key financial data of group | ||||||
| Business results of group | ||||||
| Net sales | — | 
                                                2,646,075,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                10,110,524,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,493,648,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Ordinary profit (loss) | — | 
                                                476,154,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,532,616,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                479,100,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net assets | 
                                                4,203,367,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                4,271,153,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                3,956,216,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Total assets | 
                                                6,203,014,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                6,114,087,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                5,986,764,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Basic earnings (loss) per share | — | 
                                                31.13
                                                
                                             | — | 
                                                98.99
                                                
                                             | — | 
                                                31.36
                                                
                                             | 
| Diluted earnings per share | — |  | — |  | — |  | 
| Equity-to-asset ratio | 
                                                0.678
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | — | 
                                                0.699
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | — | 
                                                0.661
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | — | 
| Net cash provided by (used in) operating activities | — | 
                                                266,617,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,126,248,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                448,336,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net cash provided by (used in) investing activities | — | 
                                                -61,529,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -5,975,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -7,135,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net cash provided by (used in) financing activities | — | 
                                                -372,809,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -818,544,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -391,986,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Cash and cash equivalents | 
                                                4,109,889,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                4,277,610,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                4,025,095,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — |