Quarter Period Consolidated Statement Of Income
| Concept | 2023-04-01 to 2023-09-30 | 2023-04-01 to 2023-09-30 | 2023-04-01 to 2023-09-30 | 2023-04-01 to 2023-09-30 | 2023-04-01 to 2023-09-30 | 2022-04-01 to 2022-09-30 | 2022-04-01 to 2022-09-30 | 2022-04-01 to 2022-09-30 | 2022-04-01 to 2022-09-30 | 2022-04-01 to 2022-09-30 | 
|---|---|---|---|---|---|---|---|---|---|---|
| Quarter period consolidated statement of income | ||||||||||
| Statement of income | ||||||||||
| Net sales | 
                                                7,708,284,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,087,090,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,726,643,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -68,732,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,795,375,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -15,645,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,110,814,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,676,587,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,095,169,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                434,226,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Cost of sales | — | — | 
                                                7,428,947,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                6,090,756,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Gross profit (loss) | — | — | 
                                                1,297,695,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                1,004,412,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Selling, general and administrative expenses | ||||||||||
| Transportation costs | — | — | 
                                                464,589,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                446,996,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Selling, general and administrative expenses | — | — | 
                                                1,182,218,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                1,074,246,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Operating profit (loss) | 
                                                292,780,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                40,771,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                115,477,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -218,075,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                333,552,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -221,290,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                151,456,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                167,403,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -69,833,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -15,946,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-operating income | ||||||||||
| Interest income | — | — | 
                                                6,131,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                1,371,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Dividend income | — | — | 
                                                10,167,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                9,248,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Non-operating income | — | — | 
                                                69,474,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                82,431,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Non-operating expenses | ||||||||||
| Interest expenses | — | — | 
                                                6,032,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                3,250,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Share of loss of entities accounted for using equity method | — | — | 
                                                18,834,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                8,983,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Non-operating expenses | — | — | 
                                                86,216,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                100,401,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Ordinary profit (loss) | — | — | 
                                                98,734,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                -87,803,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Extraordinary income | ||||||||||
| Gain on sale of non-current assets | — | — | 
                                                6,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Gain on bargain purchase | — | — | 
                                                2,405,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Extraordinary income | — | — | 
                                                2,412,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                138,431,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Extraordinary losses | ||||||||||
| Extraordinary losses | — | — | 
                                                2,554,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                44,834,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Profit (loss) before income taxes | — | — | 
                                                98,592,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                5,793,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Income taxes - current | — | — | 
                                                34,079,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                52,988,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Income taxes - deferred | — | — | 
                                                1,450,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                -3,056,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Income taxes | — | — | 
                                                35,529,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                49,931,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Profit (loss) | — | — | 
                                                63,062,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                -44,137,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Profit attributable to | ||||||||||
| Profit (loss) attributable to non-controlling interests | — | — | 
                                                622,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                -633,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Profit (loss) attributable to owners of parent | — | — | 
                                                62,439,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                -43,504,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Other comprehensive income | ||||||||||
| Valuation difference on available-for-sale securities | — | — | 
                                                66,047,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                -42,710,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Deferred gains or losses on hedges | — | — | 
                                                2,361,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                -1,005,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Remeasurements of defined benefit plans, net of tax | — | — | 
                                                924,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                957,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Share of other comprehensive income of entities accounted for using equity method | — | — | 
                                                -10,161,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                -9,810,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Other comprehensive income | — | — | 
                                                59,172,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                -52,570,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Comprehensive income | — | — | 
                                                122,235,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                -96,708,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Comprehensive income attributable to | ||||||||||
| Comprehensive income attributable to owners of parent | — | — | 
                                                121,612,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                -96,074,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Comprehensive income attributable to non-controlling interests | — | — | 
                                                622,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                -633,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — |