Consolidated Statement Of Income
| Concept | 2024-04-01 to 2024-09-30 | 2023-04-01 to 2023-09-30 | 
|---|---|---|
| Consolidated statement of income | ||
| Statement of income | ||
| Net sales | 
                                                2,935,532,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,813,313,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Cost of sales | 
                                                2,280,256,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,169,805,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Operating expenses | ||
| Other operating expenses | ||
| Provision for retirement benefits for directors (and other officers) | 
                                                2,437,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,779,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Operating expenses | ||
| Selling, general and administrative expenses | 
                                                383,754,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                385,960,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Depreciation | 
                                                5,816,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,980,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                45,703,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                50,626,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Operating expenses | ||
| Operating expenses - general | ||
| Remuneration for directors (and other officers) | 
                                                21,757,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                49,135,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Rent expenses on land and buildings | 
                                                18,973,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                17,867,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Operating expenses | ||
| General and administrative expenses | ||
| Salaries | — | — | 
| Ordinary profit (loss) | 
                                                270,169,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                256,515,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net sales | ||
| Gross profit (loss) | 
                                                655,275,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                643,507,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Operating profit (loss) | 
                                                271,521,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                257,547,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Operating expenses | ||
| Selling, general and administrative expenses | ||
| Legal welfare expenses | 
                                                27,754,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                25,854,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-operating income | 
                                                1,230,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                925,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Dividend income | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                50,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Interest income | 
                                                270,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                16,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-operating income | ||
| Other | 
                                                1,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Cost of sales | ||
| Non-operating expenses | 
                                                2,582,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,957,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Interest expenses | 
                                                2,467,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,957,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-operating expenses | ||
| Other | 
                                                115,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Profit (loss) before income taxes | 
                                                270,169,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                256,515,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Gross profit | ||
| Income taxes | 
                                                85,197,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                32,301,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Profit (loss) | 
                                                184,972,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                224,213,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |