Quarter Period Consolidated Statement Of Income
| Concept | 2024-07-01 to 2024-12-31 | 2023-07-01 to 2023-12-31 | 
|---|---|---|
| Quarter period consolidated statement of income | ||
| Statement of income | ||
| Net sales | 
                                                17,442,830,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                14,428,038,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Cost of sales | 
                                                11,937,810,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,689,518,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Gross profit (loss) | 
                                                5,505,019,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,738,520,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Selling, general and administrative expenses | ||
| Selling, general and administrative expenses | 
                                                4,572,476,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,294,521,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Operating profit (loss) | 
                                                932,543,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -556,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-operating income | ||
| Interest income | 
                                                328,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                56,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Dividend income | 
                                                4,012,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,673,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-operating income | 
                                                31,763,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                27,077,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-operating expenses | ||
| Interest expenses | 
                                                23,162,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,665,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-operating expenses | 
                                                28,164,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                14,827,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Ordinary profit (loss) | 
                                                936,142,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -543,750,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Extraordinary income | ||
| Gain on sale of non-current assets | 
                                                12,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Extraordinary income | 
                                                12,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Extraordinary losses | ||
| Impairment losses | 
                                                1,311,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Extraordinary losses | 
                                                1,311,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Profit (loss) before income taxes | 
                                                934,843,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -543,750,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Income taxes - current | 
                                                308,556,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                46,328,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Income taxes - deferred | 
                                                17,503,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -165,965,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Income taxes | 
                                                326,060,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -119,637,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Profit (loss) | 
                                                608,783,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -424,113,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Profit attributable to | ||
| Profit (loss) attributable to owners of parent | 
                                                608,783,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -424,113,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other comprehensive income | ||
| Valuation difference on available-for-sale securities | 
                                                -94,426,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                86,413,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Foreign currency translation adjustment | 
                                                -734,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,098,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Remeasurements of defined benefit plans, net of tax | 
                                                -30,453,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -11,087,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other comprehensive income | 
                                                -125,613,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                74,227,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Comprehensive income | 
                                                483,169,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -349,886,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Comprehensive income attributable to | ||
| Comprehensive income attributable to owners of parent | 
                                                483,169,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -349,886,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Comprehensive income attributable to non-controlling interests | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |