Semi-Annual Consolidated Statement Of Cash Flows
| Concept | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2023-03-31 | 2022-04-01 to 2023-03-31 | As at 2022-03-31 | 
|---|---|---|---|---|---|
| Semi-annual consolidated statement of cash flows | |||||
| Statement of cash flows | |||||
| Cash flows from operating activities | |||||
| Profit (loss) before income taxes | — | 
                                                1,078,503,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                985,086,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Subtotal | — | 
                                                1,681,216,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,493,732,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Interest and dividends received | — | 
                                                34,832,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                33,750,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Income taxes paid | — | 
                                                -272,453,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -371,316,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Net cash provided by (used in) operating activities | — | 
                                                1,443,595,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,156,166,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Cash flows from investing activities | |||||
| Purchase of property, plant and equipment | — | 
                                                -25,743,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -15,036,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Purchase of investment securities | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -596,029,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Net cash provided by (used in) investing activities | — | 
                                                -416,187,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -523,340,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Cash flows from financing activities | |||||
| Purchase of treasury shares | — | 
                                                -47,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Dividends paid | — | 
                                                -247,899,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -239,249,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Net cash provided by (used in) financing activities | — | 
                                                -247,947,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -239,249,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Net increase (decrease) in cash and cash equivalents | — | 
                                                779,460,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                393,576,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Cash and cash equivalents | 
                                                3,038,139,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,258,679,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,865,102,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |