Year To Quarter End 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 | 
|---|---|---|---|---|---|---|---|---|---|---|
| Year to quarter end consolidated statement of comprehensive income | ||||||||||
| Statement of comprehensive income | ||||||||||
| Profit (loss) | 
                                                920,136,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,485,263,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                920,136,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                920,136,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                920,136,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,731,413,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                913,049,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                913,049,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                913,049,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                913,049,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other comprehensive income | ||||||||||
| Remeasurements of defined benefit plans, net of tax | — | 
                                                49,031,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -45,489,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Other comprehensive income | — | 
                                                49,031,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -45,489,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Comprehensive income | — | 
                                                1,534,295,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                1,685,924,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Comprehensive income attributable to | ||||||||||
| Comprehensive income attributable to owners of parent | — | 
                                                1,534,185,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                1,685,924,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Comprehensive income attributable to non-controlling interests | — | 
                                                109,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — |