Semi-Annual Statement Of Cash Flows
| Concept | As at 2024-09-30 | 2024-04-01 to 2024-09-30 | As at 2024-03-31 | As at 2023-09-30 | 2023-04-01 to 2023-09-30 | As at 2023-03-31 | 
|---|---|---|---|---|---|---|
| Semi-annual statement of cash flows | ||||||
| Statement of cash flows | ||||||
| Cash flows from operating activities | ||||||
| Profit (loss) before income taxes | — | 
                                                1,182,622,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -549,623,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Depreciation | — | 
                                                213,265,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                203,563,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Interest and dividend income | — | 
                                                -120,797,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -96,276,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Increase (decrease) in provision for bonuses | — | 
                                                -185,133,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -198,131,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Decrease (increase) in trade receivables | — | 
                                                1,664,362,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                3,426,467,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Decrease (increase) in inventories | — | 
                                                -1,354,668,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -1,487,070,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Increase (decrease) in trade payables | — | 
                                                -868,291,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -152,375,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Other, net | — | 
                                                -44,726,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -67,077,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Subtotal | — | 
                                                -862,514,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,494,141,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Interest and dividends received | — | 
                                                120,797,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                96,276,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Interest paid | — | 
                                                -28,359,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -31,537,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Income taxes paid | — | 
                                                -103,715,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -117,545,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Net cash provided by (used in) operating activities | — | 
                                                -608,940,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,441,334,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Cash flows from investing activities | ||||||
| Purchase of investment securities | — | 
                                                -3,802,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -3,204,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Proceeds from sale of investment securities | — | 
                                                689,231,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                48,920,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Other, net | — | 
                                                -7,300,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                31,935,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Net cash provided by (used in) investing activities | — | 
                                                128,057,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -151,533,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Cash flows from financing activities | ||||||
| Repayments of short-term borrowings | — | 
                                                -420,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -420,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Proceeds from long-term borrowings | — | 
                                                148,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Repayments of long-term borrowings | — | 
                                                -125,558,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -107,360,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Purchase of treasury shares | — | 
                                                -938,889,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Dividends paid | — | 
                                                -177,634,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -177,704,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Net cash provided by (used in) financing activities | — | 
                                                -1,537,412,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -728,161,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Net increase (decrease) in cash and cash equivalents | — | 
                                                -2,018,295,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                561,640,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Cash and cash equivalents | 
                                                1,726,632,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                3,744,928,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,752,073,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                4,190,432,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |