Consolidated Statement Of Income
| Concept | 2023-07-01 to 2024-03-31 | 2022-07-01 to 2023-03-31 | 
|---|---|---|
| Consolidated statement of income | ||
| Statement of income | ||
| Net sales | 
                                                24,176,306,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                24,670,935,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Cost of sales | 
                                                17,296,956,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                17,168,898,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Operating expenses | ||
| Selling, general and administrative expenses | 
                                                6,358,604,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,609,874,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Operating expenses | ||
| Gross profit (loss) | 
                                                6,879,350,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,502,036,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Ordinary profit (loss) | 
                                                543,657,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,944,964,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Operating profit (loss) | 
                                                520,745,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,892,162,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net sales | ||
| Cost of sales | ||
| Selling, general and administrative expenses | ||
| Non-operating income | ||
| Interest income | 
                                                89,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                50,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Dividend income | 
                                                12,018,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,793,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                27,087,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                27,461,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-operating income | 
                                                50,641,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                85,736,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Extraordinary income | 
                                                318,075,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                120,375,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-operating expenses | ||
| Interest expenses | 
                                                18,848,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                15,409,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                8,881,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                17,524,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-operating expenses | 
                                                27,730,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                32,934,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Gross profit | ||
| Profit (loss) before income taxes | 
                                                861,732,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,065,339,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Extraordinary income | ||
| Gain on sale of investment securities | 
                                                318,075,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                120,375,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Income taxes - current | 
                                                529,421,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                931,406,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Income taxes - deferred | 
                                                -202,994,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -270,730,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Income taxes | 
                                                326,426,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                660,675,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Profit (loss) | 
                                                535,306,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,404,663,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Profit (loss) attributable to owners of parent | 
                                                535,306,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,404,663,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Profit attributable to | ||
| Other comprehensive income | ||
| Valuation difference on available-for-sale securities | 
                                                126,889,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                28,994,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Foreign currency translation adjustment | 
                                                -211,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -736,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Remeasurements of defined benefit plans, net of tax | 
                                                -16,630,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                16,045,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other comprehensive income | 
                                                110,046,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                44,303,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Comprehensive income | 
                                                645,352,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,448,966,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Comprehensive income attributable to | ||
| Comprehensive income attributable to owners of parent | 
                                                645,352,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,448,966,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Comprehensive income attributable to non-controlling interests | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |