Semi-Annual Consolidated 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 | 
|---|---|---|---|---|---|
| Semi-annual consolidated statement of cash flows | |||||
| Statement of cash flows | |||||
| Cash flows from operating activities | |||||
| 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
                                                    
                                                
                                             | — | — | 
| Net cash provided by (used in) operating activities | 
                                                2,052,419,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,194,717,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Cash flows from investing activities | |||||
| Purchase of property, plant and equipment | 
                                                -337,998,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -778,603,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Proceeds from collection of loans receivable | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                20,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Other, net | 
                                                -59,656,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -62,628,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Net cash provided by (used in) investing activities | 
                                                -485,291,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -848,765,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Cash flows from financing activities | |||||
| Proceeds from long-term borrowings | 
                                                50,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Redemption of bonds | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -50,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Repayments of long-term borrowings | 
                                                -84,478,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -212,580,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Purchase of treasury shares | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -5,940,158,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Dividends paid | 
                                                -567,818,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -541,237,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Net cash provided by (used in) financing activities | 
                                                -808,296,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -6,043,975,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Purchase of shares of subsidiaries not resulting in change in scope of consolidation | 
                                                -1,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        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
                                                    
                                                
                                             |