Quarterly Consolidated Statement Of Cash Flows
| Concept | As at 2025-01-31 | 2024-02-01 to 2025-01-31 | As at 2024-01-31 | 2023-02-01 to 2024-01-31 | As at 2023-01-31 | 
|---|---|---|---|---|---|
| Quarterly consolidated statement of cash flows | |||||
| Statement of cash flows | |||||
| Cash flows from operating activities | |||||
| Subtotal | — | 
                                                4,041,426,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,786,825,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Interest and dividends received | — | 
                                                3,075,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,621,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Interest paid | — | 
                                                -28,967,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -33,122,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Income taxes paid | — | 
                                                -1,048,387,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -314,398,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Net cash provided by (used in) operating activities | — | 
                                                2,967,147,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,441,924,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Cash flows from investing activities | |||||
| Purchase of property, plant and equipment | — | 
                                                -1,220,079,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -1,240,483,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Proceeds from sale of property, plant and equipment | — | 
                                                1,857,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                37,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Purchase of investment securities | — | 
                                                -3,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -1,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Other, net | — | 
                                                11,292,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -52,336,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Net cash provided by (used in) investing activities | — | 
                                                -1,316,383,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -1,368,828,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Cash flows from financing activities | |||||
| Proceeds from long-term borrowings | — | 
                                                500,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                500,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Repayments of long-term borrowings | — | 
                                                -652,649,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -720,544,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Proceeds from issuance of bonds | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                196,382,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Redemption of bonds | — | 
                                                -248,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -284,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Purchase of treasury shares | — | 
                                                -99,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -322,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Dividends paid | — | 
                                                -49,845,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -39,896,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Net cash provided by (used in) financing activities | — | 
                                                -497,149,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -466,707,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Net increase (decrease) in cash and cash equivalents | — | 
                                                1,153,614,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                606,388,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Cash and cash equivalents | 
                                                3,787,605,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,633,990,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,027,601,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |