Quarter Period Consolidated Statement Of Comprehensive Income
| Concept | 2024-03-01 to 2025-02-28 | 2024-03-01 to 2025-02-28 | 2024-03-01 to 2025-02-28 | 2024-03-01 to 2025-02-28 | 2024-03-01 to 2025-02-28 | 2023-03-01 to 2024-02-29 | 2023-03-01 to 2024-02-29 | 2023-03-01 to 2024-02-29 | 2023-03-01 to 2024-02-29 | 2023-03-01 to 2024-02-29 | 
|---|---|---|---|---|---|---|---|---|---|---|
| Quarter period consolidated statement of comprehensive income | ||||||||||
| Statement of comprehensive income | ||||||||||
| Profit (loss) | 
                                                823,280,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                968,524,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                823,280,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                823,280,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                823,280,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                752,043,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                535,780,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                535,780,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                535,780,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                535,780,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other comprehensive income | ||||||||||
| Valuation difference on available-for-sale securities | — | 
                                                15,916,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                171,493,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Foreign currency translation adjustment | — | 
                                                35,799,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -37,059,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Remeasurements of defined benefit plans, net of tax | — | 
                                                23,098,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                232,601,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Other comprehensive income | — | 
                                                74,814,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                367,035,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Comprehensive income | — | 
                                                1,043,339,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                1,119,079,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Comprehensive income attributable to | ||||||||||
| Comprehensive income attributable to owners of parent | — | 
                                                1,043,339,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                1,119,079,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Comprehensive income attributable to non-controlling interests | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — |