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) | 
                                                558,574,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                329,067,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other comprehensive income | ||
| Valuation difference on available-for-sale securities | 
                                                66,908,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                76,982,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Foreign currency translation adjustment | 
                                                88,065,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                37,381,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Remeasurements of defined benefit plans, net of tax | 
                                                -2,293,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -459,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other comprehensive income | 
                                                152,680,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                113,904,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Comprehensive income | 
                                                711,255,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                442,971,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Comprehensive income attributable to | ||
| Comprehensive income attributable to owners of parent | 
                                                711,255,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                442,971,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |