Quarter Period Consolidated Statement Of Income
| Concept | 2020-10-01 to 2021-06-30 | 2020-10-01 to 2021-06-30 | 2020-10-01 to 2021-06-30 | 2020-10-01 to 2021-06-30 | 2020-10-01 to 2021-06-30 | 2019-10-01 to 2020-06-30 | 2019-10-01 to 2020-06-30 | 2019-10-01 to 2020-06-30 | 2019-10-01 to 2020-06-30 | 2019-10-01 to 2020-06-30 | 
|---|---|---|---|---|---|---|---|---|---|---|
| Quarter period consolidated statement of income | ||||||||||
| Statement of income | ||||||||||
| Net sales | 
                                                1,712,459,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                789,146,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,712,459,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                923,312,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                380,214,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                728,327,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,108,541,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,108,541,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Cost of sales | — | — | — | 
                                                1,271,815,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                884,779,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Gross profit (loss) | — | — | — | 
                                                440,643,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                223,762,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Selling, general and administrative expenses | ||||||||||
| Selling, general and administrative expenses | — | — | — | 
                                                519,397,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                606,714,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Operating profit (loss) | 
                                                121,659,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -200,414,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -20,627,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -78,754,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                142,287,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -73,378,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -60,487,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -382,952,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -133,865,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -249,086,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-operating income | ||||||||||
| Interest income | — | — | — | 
                                                3,279,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                1,503,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Dividend income | — | — | — | 
                                                75,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                150,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Non-operating income | — | — | — | 
                                                4,041,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                6,848,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Non-operating expenses | ||||||||||
| Interest expenses | — | — | — | 
                                                1,853,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                17,446,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Non-operating expenses | — | — | — | 
                                                32,701,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                41,524,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Ordinary profit (loss) | — | — | — | 
                                                -107,413,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -417,628,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Extraordinary income | ||||||||||
| Extraordinary income | — | — | — | 
                                                630,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                1,217,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Extraordinary losses | ||||||||||
| Extraordinary losses | — | — | — | 
                                                23,239,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                22,157,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Profit (loss) before income taxes | — | — | — | 
                                                -130,022,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -438,569,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Income taxes - current | — | — | — | 
                                                4,109,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                5,114,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Income taxes | — | — | — | 
                                                4,109,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                5,114,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Profit (loss) | — | — | — | 
                                                -134,132,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -443,683,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — |