Statement Of Cash Flows
| Concept | 2023-03-01 to 2024-02-29 | As at 2024-02-29 | As at 2023-02-28 | 2022-03-01 to 2023-02-28 | As at 2022-02-28 | 
|---|---|---|---|---|---|
| Statement of cash flows | |||||
| Statement of cash flows | |||||
| Cash flows from operating activities | |||||
| Subtotal | 
                                                116,066,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -988,103,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Interest and dividends received | 
                                                359,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                114,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Interest paid | 
                                                -58,382,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -73,724,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Cash flows from operating activities | |||||
| Net cash provided by (used in) operating activities | 
                                                106,552,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -238,407,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Cash flows from operating activities | |||||
| Cash flows from facilities maintenance and investing activities | |||||
| Purchase of property, plant and equipment | 
                                                -263,493,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -137,974,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Proceeds from sale of property, plant and equipment | 
                                                5,740,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                3,510,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Loan advances | 
                                                -2,630,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -1,904,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Proceeds from collection of loans receivable | 
                                                959,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                20,899,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Other, net | 
                                                17,623,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -16,612,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Cash flows from investing activities | |||||
| Net cash provided by (used in) investing activities | 
                                                -184,424,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -48,547,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Cash flows from financing activities | |||||
| Dividends paid | 
                                                -40,113,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Proceeds from long-term borrowings | 
                                                375,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Net cash provided by (used in) financing activities | 
                                                -4,832,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -623,196,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Redemption of bonds | 
                                                -10,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -320,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Repayments of long-term borrowings | 
                                                -548,888,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -667,769,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Net increase (decrease) in cash and cash equivalents | 
                                                -80,763,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -903,630,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Effect of exchange rate change on cash and cash equivalents | 
                                                1,941,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                6,519,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Cash and cash equivalents | — | 
                                                1,264,835,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,345,599,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,249,230,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |