Year To Quarter End Consolidated Statement Of Comprehensive Income
| Concept | 2023-04-01 to 2023-12-31 | 2022-04-01 to 2022-12-31 | 
|---|---|---|
| Year to quarter end consolidated statement of comprehensive income | ||
| Statement of comprehensive income | ||
| Profit (loss) | 
                                                610,103,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                658,678,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other comprehensive income | ||
| Valuation difference on available-for-sale securities | 
                                                71,861,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -76,243,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Foreign currency translation adjustment | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                15,828,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Remeasurements of defined benefit plans, net of tax | 
                                                -3,979,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -6,685,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other comprehensive income | 
                                                67,881,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -67,100,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Comprehensive income | 
                                                677,985,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                591,577,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Comprehensive income attributable to | ||
| Comprehensive income attributable to owners of parent | 
                                                677,985,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                590,014,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Comprehensive income attributable to non-controlling interests | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,563,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |