Statement Of Cash Flows
| Concept | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2023-03-31 | 
|---|---|---|---|---|---|
| Statement of cash flows | |||||
| Statement of cash flows | |||||
| Cash flows from operating activities | |||||
| Profit (loss) before income taxes | 
                                                2,951,875,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                3,343,983,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Depreciation | 
                                                202,889,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                173,313,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Impairment losses | 
                                                386,303,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Interest and dividend income | 
                                                -8,051,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -8,615,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Interest expenses | 
                                                29,917,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                18,401,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Decrease (increase) in trade receivables | 
                                                -544,845,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -263,100,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Decrease (increase) in inventories | 
                                                -703,342,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -453,142,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Increase (decrease) in trade payables | 
                                                57,488,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                89,012,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Subtotal | 
                                                2,383,308,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                3,019,040,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Income taxes paid | 
                                                -1,151,855,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -646,823,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Other, net | 
                                                -107,781,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -2,877,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Net cash provided by (used in) operating activities | 
                                                1,207,937,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                2,362,378,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Interest and dividends received | 
                                                7,894,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                8,611,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Interest paid | 
                                                -31,409,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -18,450,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Cash flows from operating activities | |||||
| Cash flows from operating activities | |||||
| Cash flows from facilities maintenance and investing activities | |||||
| Purchase of property, plant and equipment | 
                                                -311,735,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -15,941,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Cash flows from investing activities | |||||
| Net cash provided by (used in) investing activities | 
                                                -847,885,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -412,657,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Cash flows from financing activities | |||||
| Proceeds from long-term borrowings | 
                                                1,600,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Dividends paid | 
                                                -762,011,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -631,223,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Repayments of long-term borrowings | 
                                                -1,309,672,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -1,702,819,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Net cash provided by (used in) financing activities | 
                                                52,534,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -2,051,941,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Net increase (decrease) in cash and cash equivalents | 
                                                412,585,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -102,220,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Cash and cash equivalents | — | 
                                                1,733,890,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,321,305,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,423,525,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |