Statement Of Cash Flows
| Concept | 2024-03-01 to 2025-02-28 | 2024-03-01 to 2025-02-28 | As at 2025-02-28 | 2023-03-01 to 2024-02-29 | 2023-03-01 to 2024-02-29 | As at 2024-02-29 | As at 2023-02-28 | 
|---|---|---|---|---|---|---|---|
| Statement of cash flows | |||||||
| Statement of cash flows | |||||||
| Cash flows from operating activities | |||||||
| Profit (loss) before income taxes | 
                                                1,411,375,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,204,900,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,780,711,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                978,180,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Depreciation | — | 
                                                594,218,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                618,705,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Interest expenses | — | 
                                                5,994,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                3,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Decrease (increase) in inventories | — | 
                                                -15,828,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                9,925,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Increase (decrease) in trade payables | — | 
                                                24,868,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                81,230,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Subtotal | — | 
                                                2,770,434,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,422,383,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Interest paid | — | 
                                                -6,646,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -3,012,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Income taxes paid | — | 
                                                -711,957,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -224,683,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Cash flows from operating activities | |||||||
| Other, net | — | 
                                                -136,863,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                124,819,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Cash flows from operating activities | |||||||
| Impairment losses | — | 
                                                79,363,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                398,754,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Increase (decrease) in provision for bonuses | — | 
                                                -85,967,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,598,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Decrease (increase) in trade receivables | — | 
                                                -117,023,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -260,547,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Net cash provided by (used in) operating activities | — | 
                                                2,052,419,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,194,717,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Decrease (increase) in other assets | — | 
                                                24,697,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                48,498,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Cash flows from investing activities | |||||||
| Purchase of property, plant and equipment | — | 
                                                -337,998,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -778,603,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Net cash provided by (used in) investing activities | — | 
                                                -485,291,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -848,765,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Other, net | — | 
                                                -59,656,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -62,628,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Proceeds from collection of loans receivable | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                20,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Cash flows from facilities maintenance and investing activities | |||||||
| Cash flows from financing activities | |||||||
| Purchase of treasury shares | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -5,940,158,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Dividends paid | — | 
                                                -567,818,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -541,237,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Proceeds from long-term borrowings | — | 
                                                50,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Net cash provided by (used in) financing activities | — | 
                                                -808,296,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -6,043,975,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Redemption of bonds | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -50,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Repayments of long-term borrowings | — | 
                                                -84,478,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -212,580,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Effect of exchange rate change on cash and cash equivalents | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Net increase (decrease) in cash and cash equivalents | — | 
                                                758,830,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -4,698,024,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Cash and cash equivalents | — | — | 
                                                5,275,368,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                4,516,537,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,214,561,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |