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 | — | 
                                                799,303,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                287,725,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Interest and dividends received | — | 
                                                764,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Interest paid | — | 
                                                -14,657,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -6,650,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Net cash provided by (used in) operating activities | — | 
                                                697,114,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                172,599,000
                                                
                                                    
                                                        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 | — | 
                                                -22,204,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -7,578,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Cash flows from investing activities | |||||
| Net cash provided by (used in) investing activities | — | 
                                                -120,254,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -652,909,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Cash flows from financing activities | |||||
| Proceeds from issuance of shares | — | 
                                                1,761,450,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,594,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Purchase of treasury shares | — | 
                                                -113,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -120,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Dividends paid | — | 
                                                -20,959,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -20,923,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Proceeds from long-term borrowings | — | 
                                                750,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,143,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Repayments of long-term borrowings | — | 
                                                -496,126,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -387,282,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Net cash provided by (used in) financing activities | — | 
                                                1,831,705,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                895,269,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Net increase (decrease) in cash and cash equivalents | — | 
                                                2,408,565,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                414,959,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Cash and cash equivalents | 
                                                3,698,236,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,289,670,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                874,711,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |