Semi-Annual Consolidated Statement Of Cash Flows
| Concept | 2023-09-01 to 2024-05-31 | As at 2023-08-31 | 2022-09-01 to 2023-08-31 | As at 2022-08-31 | 2021-09-01 to 2022-08-31 | As at 2021-08-31 | 
|---|---|---|---|---|---|---|
| Semi-annual consolidated statement of cash flows | ||||||
| Statement of cash flows | ||||||
| Cash flows from operating activities | ||||||
| Profit (loss) before income taxes | 
                                                332,915,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                127,015,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                329,681,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Depreciation | — | — | 
                                                118,835,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                101,536,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Impairment losses | — | — | 
                                                132,583,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                64,660,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Amortization of goodwill | — | — | 
                                                90,299,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                90,299,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Increase (decrease) in allowance for doubtful accounts | — | — | 
                                                -270,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -240,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Interest expenses | — | — | 
                                                13,934,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                13,930,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Increase (decrease) in provision for bonuses | — | — | 
                                                -831,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                17,466,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Decrease (increase) in trade receivables | — | — | 
                                                -28,856,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -56,188,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Decrease (increase) in inventories | — | — | 
                                                -5,295,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -4,586,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Increase (decrease) in trade payables | — | — | 
                                                59,558,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                73,968,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Other, net | — | — | 
                                                2,156,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                268,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Subtotal | — | — | 
                                                594,239,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                193,696,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Interest paid | — | — | 
                                                -13,899,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -13,880,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Income taxes paid | — | — | 
                                                -182,411,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -143,766,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Net cash provided by (used in) operating activities | — | — | 
                                                397,928,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                920,343,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Cash flows from investing activities | ||||||
| Purchase of property, plant and equipment | — | — | 
                                                -319,505,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -248,055,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Other, net | — | — | 
                                                1,227,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Net cash provided by (used in) investing activities | — | — | 
                                                -394,496,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -310,140,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Cash flows from financing activities | ||||||
| Proceeds from long-term borrowings | — | — | 
                                                690,200,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                178,500,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Redemption of bonds | — | — | 
                                                -126,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -126,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Repayments of long-term borrowings | — | — | 
                                                -383,268,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -337,886,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Net cash provided by (used in) financing activities | — | — | 
                                                68,863,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -367,628,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Other, net | — | — | 
                                                -2,068,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -2,241,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Net increase (decrease) in cash and cash equivalents | — | — | 
                                                72,295,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                242,574,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Cash and cash equivalents | — | 
                                                661,441,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                589,146,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                346,571,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |