Quarter Period Consolidated Statement Of Income
| Concept | 2023-04-01 to 2023-12-31 | 2023-04-01 to 2023-12-31 | 2023-04-01 to 2023-12-31 | 2023-04-01 to 2023-12-31 | 2023-04-01 to 2023-12-31 | 2023-04-01 to 2023-12-31 | 2022-04-01 to 2022-12-31 | 2022-04-01 to 2022-12-31 | 2022-04-01 to 2022-12-31 | 2022-04-01 to 2022-12-31 | 2022-04-01 to 2022-12-31 | 2022-04-01 to 2022-12-31 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Quarter period consolidated statement of income | ||||||||||||
| Statement of income | ||||||||||||
| Net sales | 
                                                7,643,456,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,642,290,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,401,759,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,166,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,173,341,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,068,355,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,149,595,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -91,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,020,955,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,149,504,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,356,524,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,772,115,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Cost of sales | — | 
                                                5,606,270,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                5,267,528,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Gross profit (loss) | — | 
                                                2,036,020,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                1,881,975,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Selling, general and administrative expenses | ||||||||||||
| Selling, general and administrative expenses | — | 
                                                1,690,152,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                1,604,197,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Operating profit (loss) | 
                                                552,449,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                345,868,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                117,866,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -206,581,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                252,277,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                182,306,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                463,453,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -185,675,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                166,323,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                277,778,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                110,486,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                186,643,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-operating income | ||||||||||||
| Interest income | — | 
                                                8,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                93,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Dividend income | — | 
                                                2,225,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                2,096,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Non-operating income | — | 
                                                31,696,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                34,209,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Non-operating expenses | ||||||||||||
| Interest expenses | — | 
                                                4,509,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                3,698,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Non-operating expenses | — | 
                                                10,239,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                8,257,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Ordinary profit (loss) | — | 
                                                367,325,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                303,730,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Profit (loss) before income taxes | — | 
                                                367,325,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                303,730,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Income taxes - current | — | 
                                                100,822,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                77,170,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Income taxes - deferred | — | 
                                                22,739,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                26,592,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Income taxes | — | 
                                                123,561,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                103,763,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Profit (loss) | — | 
                                                243,763,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                199,966,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Profit attributable to | ||||||||||||
| Profit (loss) attributable to owners of parent | — | 
                                                243,763,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                199,966,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Other comprehensive income | ||||||||||||
| Valuation difference on available-for-sale securities | — | 
                                                9,564,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                2,966,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Other comprehensive income | — | 
                                                9,564,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                2,966,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Comprehensive income | — | 
                                                253,328,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                202,933,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Comprehensive income attributable to | ||||||||||||
| Comprehensive income attributable to owners of parent | — | 
                                                253,328,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                202,933,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Comprehensive income attributable to non-controlling interests | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — |