Quarter Period Consolidated Statement Of Income
| Concept | 2023-10-01 to 2023-12-31 | 2022-10-01 to 2022-12-31 | 
|---|---|---|
| Quarter period consolidated statement of income | ||
| Statement of income | ||
| Net sales | 
                                                8,548,710,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,512,385,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Cost of sales | 
                                                6,212,805,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,439,540,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Gross profit (loss) | 
                                                2,335,905,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,072,845,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Selling, general and administrative expenses | ||
| Selling, general and administrative expenses | 
                                                1,778,534,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,530,648,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Operating profit (loss) | 
                                                557,371,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                542,196,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-operating income | ||
| Interest income | 
                                                16,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                18,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Dividend income | 
                                                3,521,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,696,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-operating income | 
                                                27,896,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                28,686,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-operating expenses | ||
| Interest expenses | 
                                                10,910,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,185,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Share of loss of entities accounted for using equity method | 
                                                99,202,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                71,549,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-operating expenses | 
                                                122,535,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                85,841,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Ordinary profit (loss) | 
                                                462,731,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                485,041,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Extraordinary income | ||
| Gain on sale of non-current assets | 
                                                1,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                47,885,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Extraordinary income | 
                                                1,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                47,885,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Extraordinary losses | ||
| Extraordinary losses | 
                                                44,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Profit (loss) before income taxes | 
                                                462,689,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                532,927,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Income taxes | 
                                                202,761,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                222,363,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Profit (loss) | 
                                                259,928,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                310,564,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Profit attributable to | ||
| Profit (loss) attributable to non-controlling interests | 
                                                -2,972,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -2,033,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Profit (loss) attributable to owners of parent | 
                                                262,900,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                312,597,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other comprehensive income | ||
| Valuation difference on available-for-sale securities | 
                                                -39,428,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -48,880,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Foreign currency translation adjustment | 
                                                -5,779,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -7,227,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Remeasurements of defined benefit plans, net of tax | 
                                                -19,648,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -22,283,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Share of other comprehensive income of entities accounted for using equity method | 
                                                -319,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -755,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other comprehensive income | 
                                                -65,176,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -79,147,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Comprehensive income | 
                                                194,751,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                231,417,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Comprehensive income attributable to | ||
| Comprehensive income attributable to owners of parent | 
                                                198,522,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                229,437,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Comprehensive income attributable to non-controlling interests | 
                                                -3,770,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,979,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |