Quarterly Statement Of Cash Flows
| Concept | 2024-03-01 to 2025-02-28 | As at 2025-02-28 | 2023-03-01 to 2024-02-29 | As at 2024-02-29 | As at 2023-02-28 | 
|---|---|---|---|---|---|
| Quarterly statement of cash flows | |||||
| Statement of cash flows | |||||
| Cash flows from operating activities | |||||
| Subtotal | 
                                                306,748,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                378,434,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Interest and dividends received | 
                                                6,230,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                35,291,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Interest paid | 
                                                -18,730,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -17,016,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Income taxes paid | 
                                                -4,201,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -4,398,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Net cash provided by (used in) operating activities | 
                                                290,046,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                392,309,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Cash flows from investing activities | |||||
| Purchase of property, plant and equipment | 
                                                -308,499,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -264,123,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Loan advances | 
                                                -384,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Proceeds from collection of loans receivable | 
                                                80,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                160,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Other, net | 
                                                -27,320,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -7,340,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Net cash provided by (used in) investing activities | 
                                                -316,556,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -120,363,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Cash flows from financing activities | |||||
| Proceeds from long-term borrowings | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                586,223,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Repayments of long-term borrowings | 
                                                -222,932,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -348,504,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Purchase of treasury shares | 
                                                -132,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Net cash provided by (used in) financing activities | 
                                                -232,397,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -520,795,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Net increase (decrease) in cash and cash equivalents | 
                                                -258,908,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -248,849,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Cash and cash equivalents | — | 
                                                1,533,299,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,792,207,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,041,056,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |