Statement Of Cash Flows
| Concept | As at 2024-08-31 | 2023-09-01 to 2024-08-31 | 2022-09-01 to 2023-08-31 | As at 2023-08-31 | As at 2022-08-31 | 
|---|---|---|---|---|---|
| Statement of cash flows | |||||
| Statement of cash flows | |||||
| Cash flows from operating activities | |||||
| Subtotal | — | 
                                                1,024,603,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,342,735,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Interest and dividends received | — | 
                                                1,955,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                731,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Interest paid | — | 
                                                -111,301,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -77,417,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Income taxes paid | — | 
                                                -699,306,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -840,355,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Net cash provided by (used in) operating activities | — | 
                                                226,390,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,374,439,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Cash flows from operating activities | |||||
| Cash flows from operating activities | |||||
| Cash flows from investing activities | |||||
| Purchase of property, plant and equipment | — | 
                                                -887,863,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,341,894,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Net cash provided by (used in) investing activities | — | 
                                                -2,105,154,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -2,538,451,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Other, net | — | 
                                                3,554,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                15,963,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Cash flows from facilities maintenance and investing activities | |||||
| Cash flows from financing activities | |||||
| Proceeds from issuance of shares | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,532,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Purchase of treasury shares | — | 
                                                -55,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -192,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Dividends paid | — | 
                                                -387,617,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -320,948,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Proceeds from long-term borrowings | — | 
                                                6,800,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,050,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Proceeds from issuance of bonds | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,000,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Repayments of long-term borrowings | — | 
                                                -1,234,539,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -718,743,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Net cash provided by (used in) financing activities | — | 
                                                464,439,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,723,975,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Redemption of bonds | — | 
                                                -200,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -200,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Other, net | — | 
                                                -213,348,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -189,672,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Net increase (decrease) in cash and cash equivalents | — | 
                                                -1,419,444,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                528,435,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Effect of exchange rate change on cash and cash equivalents | — | 
                                                -5,120,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -31,528,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Cash and cash equivalents | 
                                                6,915,372,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                8,334,817,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,806,382,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |