Quarterly Statement Of Cash Flows
| Concept | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | As at 2023-03-31 | 2022-04-01 to 2023-03-31 | As at 2022-03-31 | 
|---|---|---|---|---|---|
| Quarterly statement of cash flows | |||||
| Statement of cash flows | |||||
| Cash flows from operating activities | |||||
| Subtotal | 
                                                2,578,685,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                521,247,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Interest and dividends received | 
                                                4,104,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                5,200,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Interest paid | 
                                                -120,979,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -123,578,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Net cash provided by (used in) operating activities | 
                                                2,491,431,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                664,740,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Cash flows from investing activities | |||||
| Purchase of property, plant and equipment | 
                                                -748,664,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -431,913,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Proceeds from sale of property, plant and equipment | 
                                                11,709,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                3,226,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Loan advances | 
                                                -4,500,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Proceeds from collection of loans receivable | 
                                                7,057,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,328,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Net cash provided by (used in) investing activities | 
                                                -661,611,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -253,925,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Cash flows from financing activities | |||||
| Proceeds from long-term borrowings | 
                                                3,308,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                50,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Repayments of long-term borrowings | 
                                                -1,583,714,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -1,374,444,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Purchase of treasury shares | 
                                                -2,285,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -1,283,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Net cash provided by (used in) financing activities | 
                                                735,475,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -1,764,563,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Effect of exchange rate change on cash and cash equivalents | 
                                                2,677,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                3,016,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Net increase (decrease) in cash and cash equivalents | 
                                                2,567,972,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -1,350,732,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Cash and cash equivalents | — | 
                                                4,959,748,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,391,775,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                3,742,508,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |