Semi-Annual Consolidated Statement Of Comprehensive Income
| Concept | 2023-10-01 to 2024-09-30 | 2023-10-01 to 2024-09-30 | 2023-10-01 to 2024-09-30 | 2023-10-01 to 2024-09-30 | 2023-10-01 to 2024-09-30 | 2022-10-01 to 2023-09-30 | 2022-10-01 to 2023-09-30 | 2022-10-01 to 2023-09-30 | 2022-10-01 to 2023-09-30 | 2022-10-01 to 2023-09-30 | 
|---|---|---|---|---|---|---|---|---|---|---|
| Semi-annual consolidated statement of comprehensive income | ||||||||||
| Statement of comprehensive income | ||||||||||
| Profit (loss) | 
                                                1,194,207,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,268,949,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,194,207,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,194,207,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,194,207,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                353,182,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                353,182,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                353,182,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,274,131,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                353,182,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other comprehensive income | ||||||||||
| Valuation difference on available-for-sale securities | — | 
                                                -528,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                153,071,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Remeasurements of defined benefit plans, net of tax | — | 
                                                29,656,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                109,986,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Other comprehensive income | — | 
                                                29,128,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                263,058,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Comprehensive income | — | 
                                                1,298,078,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                1,537,189,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Comprehensive income attributable to | ||||||||||
| Comprehensive income attributable to owners of parent | — | 
                                                1,298,078,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                1,537,189,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Comprehensive income attributable to non-controlling interests | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — |