Quarter Period Statement Of Income
| Concept | 2024-10-01 to 2025-03-31 | 2024-10-01 to 2025-03-31 | 2024-10-01 to 2025-03-31 | 2024-10-01 to 2025-03-31 | 2024-10-01 to 2025-03-31 | 2023-10-01 to 2024-03-31 | 2023-10-01 to 2024-03-31 | 2023-10-01 to 2024-03-31 | 2023-10-01 to 2024-03-31 | 2023-10-01 to 2024-03-31 | 
|---|---|---|---|---|---|---|---|---|---|---|
| Quarter period statement of income | ||||||||||
| Statement of income | ||||||||||
| Net sales | 
                                                2,666,295,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,291,280,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                375,015,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,666,295,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,593,719,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                354,482,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,239,236,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,593,719,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Cost of sales | 
                                                1,950,789,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                1,912,605,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Gross profit (loss) | 
                                                715,505,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                681,113,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Selling, general and administrative expenses | 
                                                224,903,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                206,407,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Selling, general and administrative expenses | ||||||||||
| Remuneration for directors (and other officers) | 
                                                48,628,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                43,515,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Operating profit (loss) | 
                                                490,602,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                494,006,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                87,018,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                581,024,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -90,422,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                474,705,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                89,833,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                452,988,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                542,822,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -68,116,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-operating income | ||||||||||
| Interest income | 
                                                979,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                11,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Non-operating income | 
                                                3,393,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                8,357,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Non-operating expenses | ||||||||||
| Non-operating expenses | 
                                                607,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                104,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Ordinary profit (loss) | 
                                                493,388,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                482,958,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Extraordinary income | ||||||||||
| Extraordinary income | 
                                                500,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                5,400,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Profit (loss) before income taxes | 
                                                493,888,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                488,358,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Income taxes - current | 
                                                149,301,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                166,437,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Income taxes - deferred | 
                                                19,432,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                468,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Income taxes | 
                                                168,734,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                166,906,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Profit (loss) | 
                                                325,153,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                321,452,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — |