Semi-Annual Statement Of Cash Flows
| Concept | As at 2024-03-31 | 2023-10-01 to 2024-03-31 | As at 2023-09-30 | As at 2023-03-31 | 2022-10-01 to 2023-03-31 | As at 2022-09-30 | 
|---|---|---|---|---|---|---|
| Semi-annual statement of cash flows | ||||||
| Statement of cash flows | ||||||
| Cash flows from operating activities | ||||||
| Profit (loss) before income taxes | — | 
                                                832,503,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                2,207,278,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Depreciation | — | 
                                                1,323,851,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,514,533,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Increase (decrease) in allowance for doubtful accounts | — | 
                                                -75,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -359,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Interest and dividend income | — | 
                                                -29,049,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -5,548,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Interest expenses | — | 
                                                4,552,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                6,123,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Decrease (increase) in trade receivables | — | 
                                                1,296,658,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                447,513,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Decrease (increase) in inventories | — | 
                                                3,402,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -1,246,712,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Increase (decrease) in trade payables | — | 
                                                -459,025,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                638,533,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Other, net | — | 
                                                210,907,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -829,444,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Subtotal | — | 
                                                3,149,260,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                2,711,418,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Interest and dividends received | — | 
                                                35,003,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                5,597,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Interest paid | — | 
                                                -4,515,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -6,123,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Income taxes paid | — | 
                                                -1,057,893,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -609,519,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Net cash provided by (used in) operating activities | — | 
                                                2,121,855,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                2,101,371,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Cash flows from investing activities | ||||||
| Purchase of property, plant and equipment | — | 
                                                -1,466,914,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -664,012,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Proceeds from collection of loans receivable | — | 
                                                250,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                250,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Other, net | — | 
                                                1,269,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,561,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Net cash provided by (used in) investing activities | — | 
                                                -1,612,482,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -670,422,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Cash flows from financing activities | ||||||
| Repayments of long-term borrowings | — | 
                                                -400,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -400,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Purchase of treasury shares | — | 
                                                -173,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Dividends paid | — | 
                                                -1,697,795,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -670,733,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Net cash provided by (used in) financing activities | — | 
                                                -2,106,050,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -1,078,032,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Effect of exchange rate change on cash and cash equivalents | — | 
                                                66,015,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -172,754,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Net increase (decrease) in cash and cash equivalents | — | 
                                                -1,530,661,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                180,162,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Cash and cash equivalents | 
                                                13,754,325,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                15,284,987,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                14,111,508,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                13,931,346,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |