Semi-Annual Statement Of Cash Flows
| Concept | As at 2024-09-30 | 2024-04-01 to 2024-09-30 | As at 2024-03-31 | As at 2023-09-30 | 2023-04-01 to 2023-09-30 | As at 2023-03-31 | 
|---|---|---|---|---|---|---|
| Semi-annual statement of cash flows | ||||||
| Statement of cash flows | ||||||
| Cash flows from operating activities | ||||||
| Subtotal | — | 
                                                1,131,595,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                259,147,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Interest and dividends received | — | 
                                                33,997,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                4,486,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Interest paid | — | 
                                                -67,276,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -42,536,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Income taxes paid | — | 
                                                -273,157,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -311,997,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Net cash provided by (used in) operating activities | — | 
                                                882,630,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -34,788,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Cash flows from investing activities | ||||||
| Purchase of property, plant and equipment | — | 
                                                -196,019,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -276,144,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Proceeds from sale of property, plant and equipment | — | 
                                                4,582,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                103,786,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Purchase of investment securities | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -3,453,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Other, net | — | 
                                                -19,303,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                135,995,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Net cash provided by (used in) investing activities | — | 
                                                -867,259,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -368,467,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Cash flows from financing activities | ||||||
| Proceeds from long-term borrowings | — | 
                                                1,729,496,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                800,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Repayments of long-term borrowings | — | 
                                                -1,339,883,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -1,242,453,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Dividends paid | — | 
                                                -134,770,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Net cash provided by (used in) financing activities | — | 
                                                492,841,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -570,581,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Other, net | — | 
                                                -5,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Effect of exchange rate change on cash and cash equivalents | — | 
                                                200,093,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                126,310,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Net increase (decrease) in cash and cash equivalents | — | 
                                                708,306,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -847,527,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Cash and cash equivalents | 
                                                3,899,511,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                3,191,204,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,201,372,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                3,683,306,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |