Quarter Period Consolidated Statement Of Comprehensive Income
| Concept | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 
|---|---|---|---|---|---|---|---|---|---|---|
| Quarter period consolidated statement of comprehensive income | ||||||||||
| Statement of comprehensive income | ||||||||||
| Profit (loss) | 
                                                533,395,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                533,395,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                533,395,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                561,931,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                533,395,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                201,932,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                164,287,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                201,932,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                201,932,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                201,932,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other comprehensive income | ||||||||||
| Valuation difference on available-for-sale securities | — | — | — | 
                                                -105,095,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                86,899,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Foreign currency translation adjustment | — | — | — | 
                                                130,156,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                49,469,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Remeasurements of defined benefit plans, net of tax | — | — | — | 
                                                37,096,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                10,608,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Other comprehensive income | — | — | — | 
                                                62,158,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                146,977,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Comprehensive income | — | — | — | 
                                                624,090,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                311,264,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Comprehensive income attributable to | ||||||||||
| Comprehensive income attributable to owners of parent | — | — | — | 
                                                624,090,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                311,264,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Comprehensive income attributable to non-controlling interests | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — |