Consolidated Statement Of Income
| Concept | 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 | 
|---|---|---|---|---|---|---|---|---|
| Consolidated statement of income | ||||||||
| Statement of income | ||||||||
| Net sales | — | — | 
                                                5,888,372,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                6,020,260,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Operating expenses | ||||||||
| Selling, general and administrative expenses | — | — | 
                                                1,481,139,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,484,559,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Depreciation | — | — | 
                                                57,765,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                52,558,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Operating expenses | ||||||||
| Operating expenses - general | ||||||||
| Remuneration for directors (and other officers) | — | — | 
                                                89,700,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                89,356,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Operating expenses | ||||||||
| Operating profit (loss) | — | — | 
                                                259,405,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                313,930,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Gross profit (loss) | — | — | 
                                                1,740,545,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,798,490,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Ordinary profit (loss) | — | — | 
                                                256,940,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                310,574,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Net sales | ||||||||
| General and administrative expenses | ||||||||
| Salaries | — | — | — | — | — | — | — | — | 
| Operating expenses | ||||||||
| Selling, general and administrative expenses | ||||||||
| Extraordinary income | — | — | 
                                                15,836,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                34,162,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Non-operating income | ||||||||
| Interest income | — | — | 
                                                40,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                27,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Dividend income | — | — | 
                                                912,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                685,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Other | — | — | 
                                                1,121,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                629,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Non-operating income | — | — | 
                                                6,853,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                5,390,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Non-operating expenses | — | — | 
                                                9,319,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                8,746,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Interest expenses | — | — | 
                                                2,670,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,541,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Extraordinary losses | — | — | 
                                                3,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                15,445,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Non-operating expenses | ||||||||
| Other | — | — | 
                                                728,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                784,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Profit (loss) before income taxes | — | — | 
                                                269,776,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                329,291,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Gross profit | ||||||||
| Income taxes - current | — | — | 
                                                78,122,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                80,744,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Extraordinary income | ||||||||
| Extraordinary losses | ||||||||
| Loss on retirement of non-current assets | — | — | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Income taxes - deferred | — | — | 
                                                7,712,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -3,929,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Income taxes | — | — | 
                                                85,835,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                76,814,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Profit (loss) | 
                                                183,941,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                183,941,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                183,941,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                183,941,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                252,477,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                252,477,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                252,477,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                252,477,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |