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 | 
                                                943,294,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,345,650,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                924,781,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                574,517,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Depreciation | — | 
                                                1,955,364,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,874,574,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Increase (decrease) in allowance for doubtful accounts | — | 
                                                -4,791,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -3,128,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Interest and dividend income | — | 
                                                -27,441,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -22,968,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Interest expenses | — | 
                                                133,298,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                175,782,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Loss (gain) on sale of investment securities | — | 
                                                -32,899,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Loss (gain) on sale of non-current assets | — | 
                                                7,551,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                103,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Decrease (increase) in inventories | — | 
                                                7,024,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -128,820,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Increase (decrease) in trade payables | — | 
                                                153,513,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -43,472,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Subtotal | — | 
                                                3,535,279,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                3,109,943,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Interest and dividends received | — | 
                                                26,595,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                22,007,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Interest paid | — | 
                                                -133,693,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -177,755,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Income taxes paid | — | 
                                                -300,147,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -238,911,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Cash flows from operating activities | |||||||
| Impairment losses | — | 
                                                148,484,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                135,851,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Decrease (increase) in trade receivables | — | 
                                                -257,009,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -28,593,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Other, net | — | 
                                                39,513,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                277,940,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Net cash provided by (used in) operating activities | — | 
                                                3,122,460,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,894,779,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Cash flows from operating activities | |||||||
| Cash flows from investing activities | |||||||
| Purchase of property, plant and equipment | — | 
                                                -2,207,825,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -1,903,917,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Proceeds from sale of property, plant and equipment | — | 
                                                18,869,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                3,453,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Net cash provided by (used in) investing activities | — | 
                                                -2,266,512,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -1,951,228,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Purchase of investment securities | — | 
                                                -3,088,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -3,018,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Proceeds from sale of investment securities | — | 
                                                47,779,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Other, net | — | 
                                                -121,681,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                47,862,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Cash flows from facilities maintenance and investing activities | |||||||
| Cash flows from financing activities | |||||||
| Purchase of treasury shares | — | 
                                                -817,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -518,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Dividends paid | — | 
                                                -260,443,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -130,797,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Proceeds from long-term borrowings | — | 
                                                5,000,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                3,000,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Repayments of long-term borrowings | — | 
                                                -6,483,670,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -3,195,176,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Redemption of bonds | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -50,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Net cash provided by (used in) financing activities | — | 
                                                -944,809,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -1,073,584,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Effect of exchange rate change on cash and cash equivalents | — | 
                                                40,030,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                269,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Net increase (decrease) in cash and cash equivalents | — | 
                                                -48,830,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -129,764,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Cash and cash equivalents | — | — | 
                                                2,194,634,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                2,243,465,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,373,229,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |