Year To Quarter End Consolidated Statement Of Income
| Concept | 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 | 2022-11-01 to 2023-09-30 | 2022-10-01 to 2023-09-30 | 2022-10-01 to 2023-09-30 | 2022-10-01 to 2023-09-30 | 2022-10-01 to 2023-09-30 | 2022-10-01 to 2023-09-30 | 2022-11-01 to 2023-09-30 | 2022-10-01 to 2023-09-30 | 2022-10-01 to 2023-09-30 | 2022-11-01 to 2023-09-30 | 2022-11-01 to 2023-09-30 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Year to quarter end consolidated statement of income | ||||||||||||||||
| Statement of income | ||||||||||||||||
| Net sales | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,593,719,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,593,719,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                354,482,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,239,236,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                724,331,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,089,942,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                2,814,274,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,814,274,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Cost of sales | — | — | 
                                                1,912,605,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                2,123,193,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
| Gross profit (loss) | — | — | 
                                                681,113,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                691,081,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
| Selling, general and administrative expenses | ||||||||||||||||
| Remuneration for directors (and other officers) | — | — | — | — | — | — | — | — | — | — | 
                                                79,716,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                34,274,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Bonuses | — | — | — | — | — | — | — | — | — | — | 
                                                10,465,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                599,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Depreciation | — | — | — | — | — | — | — | — | — | — | 
                                                7,485,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                353,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Amortization of goodwill | — | — | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,586,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                11,586,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,586,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Selling, general and administrative expenses | — | — | 
                                                206,407,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                353,190,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
| Operating profit (loss) | 
                                                -68,116,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                542,822,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                474,705,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                89,833,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                452,988,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                174,668,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                254,769,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                337,890,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                13,122,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -91,547,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                429,438,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Non-operating income | ||||||||||||||||
| Interest income | — | — | — | — | — | — | — | — | — | — | — | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Non-operating income | — | — | 
                                                8,357,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                5,830,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Non-operating expenses | ||||||||||||||||
| Interest expenses | — | — | — | — | — | — | — | — | — | — | — | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Non-operating expenses | — | — | 
                                                104,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                197,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Ordinary profit (loss) | — | — | 
                                                482,958,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                343,522,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                13,122,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Extraordinary income | ||||||||||||||||
| Extraordinary income | — | — | 
                                                5,400,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                18,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
| Profit (loss) before income taxes | — | — | 
                                                488,358,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                361,522,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                13,122,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Income taxes - current | — | — | 
                                                166,437,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                126,876,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,636,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Income taxes - deferred | — | — | 
                                                468,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                -13,158,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -2,776,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Income taxes | — | — | 
                                                166,906,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                113,717,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,859,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Profit (loss) | — | — | 
                                                321,452,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                5,262,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                247,804,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,262,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                5,262,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,262,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Profit attributable to | ||||||||||||||||
| Profit (loss) attributable to owners of parent | — | — | 
                                                321,452,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                247,804,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                247,804,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                247,804,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
| Comprehensive income | — | — | 
                                                321,452,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                247,804,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
| Comprehensive income attributable to | ||||||||||||||||
| Comprehensive income attributable to owners of parent | — | — | 
                                                321,452,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                247,804,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — |