Key Financial Data Of Reporting Company
| Concept | 2024-05-01 to 2024-10-31 | As at 2024-10-31 | 2023-05-01 to 2024-04-30 | As at 2024-04-30 | As at 2023-10-31 | 2023-05-01 to 2023-10-31 | 
|---|---|---|---|---|---|---|
| Key financial data of reporting company | ||||||
| Business results of reporting company | ||||||
| Net sales | 
                                                5,119,514,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                10,972,526,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                5,872,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Ordinary profit (loss) | 
                                                454,652,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,149,480,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                717,073,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net assets | — | 
                                                15,214,060,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                15,546,228,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                14,862,154,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Total assets | — | 
                                                17,581,219,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                17,903,348,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                17,333,542,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Basic earnings (loss) per share | 
                                                232.26
                                                
                                             | — | 
                                                1,063.10
                                                
                                             | — | — | 
                                                842.08
                                                
                                             | 
| Diluted earnings per share |  | — |  | — | — |  | 
| Equity-to-asset ratio | — | 
                                                0.865
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | — | 
                                                0.868
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                0.857
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | — | 
| Net cash provided by (used in) operating activities | 
                                                509,670,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,664,336,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                962,311,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net cash provided by (used in) investing activities | 
                                                61,606,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -2,576,061,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -2,121,522,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net cash provided by (used in) financing activities | 
                                                -391,842,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -214,138,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -160,947,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Cash and cash equivalents | — | 
                                                5,330,267,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                5,150,833,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,956,537,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — |