Statement Of Cash Flows
| Concept | As at 2025-02-28 | 2024-03-01 to 2025-02-28 | 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 | |||||
| Subtotal | — | 
                                                51,976,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                169,399,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Interest and dividends received | — | 
                                                4,317,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,044,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Interest paid | — | 
                                                -13,562,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -10,517,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Income taxes paid | — | 
                                                -11,086,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -9,196,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Net cash provided by (used in) operating activities | — | 
                                                34,687,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                169,462,000
                                                
                                                    
                                                        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 | — | 
                                                -76,275,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -524,431,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Proceeds from sale of property, plant and equipment | — | 
                                                308,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Other, net | — | 
                                                395,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                822,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Cash flows from investing activities | |||||
| Net cash provided by (used in) investing activities | — | 
                                                -80,527,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -531,539,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Cash flows from financing activities | |||||
| Purchase of treasury shares | — | 
                                                -226,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -277,254,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Dividends paid | — | 
                                                -23,370,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -25,844,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Proceeds from issuance of bonds | — | 
                                                100,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Net cash provided by (used in) financing activities | — | 
                                                160,152,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,855,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Net increase (decrease) in cash and cash equivalents | — | 
                                                114,312,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -358,221,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Cash and cash equivalents | 
                                                329,432,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                215,119,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                573,341,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |