Quarter Period Consolidated Statement Of Income
| Concept | 2024-04-01 to 2024-09-30 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 
|---|---|---|---|---|---|---|---|---|---|
| Quarter period consolidated statement of income | |||||||||
| Statement of income | |||||||||
| Net sales | 
                                                5,704,554,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                10,115,591,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                10,328,873,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Cost of sales | 
                                                4,150,930,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                7,456,581,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                7,649,605,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Gross profit (loss) | 
                                                1,553,623,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                2,659,009,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                2,679,268,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Selling, general and administrative expenses | |||||||||
| Selling, general and administrative expenses | 
                                                1,162,515,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                2,129,453,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                2,107,495,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Operating profit (loss) | 
                                                391,108,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                529,555,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                571,773,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Non-operating income | |||||||||
| Interest income | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Dividend income | 
                                                1,529,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                771,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,706,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Non-operating income | 
                                                24,796,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                46,514,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                66,917,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Non-operating expenses | |||||||||
| Interest expenses | 
                                                830,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,229,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,915,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Non-operating expenses | 
                                                4,385,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                3,827,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                3,081,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Ordinary profit (loss) | 
                                                411,519,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                572,242,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                635,608,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Extraordinary income | |||||||||
| Gain on sale of non-current assets | — | — | — | 
                                                100,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Extraordinary income | — | — | — | 
                                                100,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Extraordinary losses | |||||||||
| Extraordinary losses | 
                                                1,728,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                2,288,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                15,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Profit (loss) before income taxes | 
                                                409,791,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                570,054,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                635,592,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Income taxes - current | 
                                                155,593,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                212,054,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                230,353,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Income taxes - deferred | 
                                                -10,420,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -7,607,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -3,522,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Income taxes | 
                                                145,173,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                204,447,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                226,830,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Profit (loss) | 
                                                264,617,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                365,606,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                365,606,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                365,606,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                365,606,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                408,762,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                408,762,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                408,762,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                408,762,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |