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 | — | 
                                                1,723,088,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,499,874,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Depreciation | — | 
                                                103,694,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                128,132,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Increase (decrease) in allowance for doubtful accounts | — | 
                                                -5,664,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                3,468,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Interest and dividend income | — | 
                                                -21,186,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -21,425,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Interest expenses | — | 
                                                6,716,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                6,134,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Decrease (increase) in trade receivables | — | 
                                                -2,034,559,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -1,889,732,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Decrease (increase) in inventories | — | 
                                                -29,138,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -37,062,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Increase (decrease) in trade payables | — | 
                                                832,065,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                926,198,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Other, net | — | 
                                                23,113,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                5,573,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Subtotal | — | 
                                                -113,499,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                197,198,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Interest and dividends received | — | 
                                                12,622,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                18,260,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Interest paid | — | 
                                                -6,716,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -6,134,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Income taxes paid | — | 
                                                -603,478,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -659,522,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Net cash provided by (used in) operating activities | — | 
                                                -549,366,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -303,882,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Cash flows from investing activities | ||||||
| Purchase of property, plant and equipment | — | 
                                                -99,498,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -54,329,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Purchase of investment securities | — | 
                                                -15,850,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -549,612,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Loan advances | — | 
                                                -157,140,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -113,060,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Proceeds from collection of loans receivable | — | 
                                                151,938,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                9,346,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Other, net | — | 
                                                -17,577,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -33,228,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Net cash provided by (used in) investing activities | — | 
                                                -187,310,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -1,700,219,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Cash flows from financing activities | ||||||
| Proceeds from long-term borrowings | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                30,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Repayments of long-term borrowings | — | 
                                                -88,791,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -117,721,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Purchase of treasury shares | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -64,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Dividends paid | — | 
                                                -241,851,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -298,943,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Net cash provided by (used in) financing activities | — | 
                                                409,177,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                323,463,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Other, net | — | 
                                                -10,180,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -9,807,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Net increase (decrease) in cash and cash equivalents | — | 
                                                -327,499,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -1,680,638,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Cash and cash equivalents | 
                                                10,079,165,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                10,166,176,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,496,385,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                12,113,433,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |