Semi-Annual Statement Of Cash Flows
| Concept | As at 2024-12-31 | 2023-11-01 to 2024-12-31 | As at 2023-10-31 | 2022-11-01 to 2023-10-31 | As at 2022-10-31 | 
|---|---|---|---|---|---|
| Semi-annual statement of cash flows | |||||
| Statement of cash flows | |||||
| Cash flows from operating activities | |||||
| Subtotal | — | 
                                                2,473,591,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,575,672,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Interest and dividends received | — | 
                                                1,058,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,297,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Interest paid | — | 
                                                -9,490,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -8,598,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Income taxes paid | — | 
                                                -1,137,346,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -246,674,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Net cash provided by (used in) operating activities | — | 
                                                1,329,022,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,334,284,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Cash flows from investing activities | |||||
| Purchase of property, plant and equipment | — | 
                                                -166,315,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -430,490,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Proceeds from sale of property, plant and equipment | — | 
                                                153,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Proceeds from sale of investment securities | — | 
                                                9,500,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                15,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Net cash provided by (used in) investing activities | — | 
                                                -285,639,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -444,079,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Cash flows from financing activities | |||||
| Redemption of bonds | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -60,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Repayments of long-term borrowings | — | 
                                                -550,213,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -1,343,237,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Purchase of treasury shares | — | 
                                                -500,910,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -74,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Dividends paid | — | 
                                                -298,624,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -33,140,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Net cash provided by (used in) financing activities | — | 
                                                -964,814,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -1,435,758,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Other, net | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -213,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Effect of exchange rate change on cash and cash equivalents | — | 
                                                10,710,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                788,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Net increase (decrease) in cash and cash equivalents | — | 
                                                89,278,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                455,234,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Cash and cash equivalents | 
                                                2,729,668,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,640,389,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,185,154,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |