Semi-Annual Statement Of Cash Flows
| Concept | 2024-10-01 to 2025-03-31 | As at 2025-03-31 | As at 2024-09-30 | 2023-10-01 to 2024-03-31 | As at 2024-03-31 | As at 2023-09-30 | 
|---|---|---|---|---|---|---|
| Semi-annual statement of cash flows | ||||||
| Statement of cash flows | ||||||
| Cash flows from operating activities | ||||||
| Subtotal | 
                                                1,680,794,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -113,499,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Interest and dividends received | 
                                                23,556,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                12,622,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Interest paid | 
                                                -8,998,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -6,716,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Income taxes paid | 
                                                -425,429,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -603,478,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Net cash provided by (used in) operating activities | 
                                                1,360,908,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -549,366,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Cash flows from investing activities | ||||||
| Purchase of property, plant and equipment | 
                                                -80,692,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -99,498,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Proceeds from sale of property, plant and equipment | 
                                                3,965,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Purchase of investment securities | 
                                                -40,590,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -15,850,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Proceeds from sale of investment securities | 
                                                217,986,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Loan advances | 
                                                -11,430,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -157,140,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Proceeds from collection of loans receivable | 
                                                10,336,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                151,938,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Other, net | 
                                                -63,882,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -17,577,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Net cash provided by (used in) investing activities | 
                                                -1,479,109,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -187,310,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Cash flows from financing activities | ||||||
| Repayments of long-term borrowings | 
                                                -23,455,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -88,791,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Dividends paid | 
                                                -255,426,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -241,851,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Net cash provided by (used in) financing activities | 
                                                821,043,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                409,177,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Other, net | 
                                                -14,574,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -10,180,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Net increase (decrease) in cash and cash equivalents | 
                                                702,842,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -327,499,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Cash and cash equivalents | — | 
                                                12,924,720,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                12,184,132,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                10,079,165,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,166,176,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |