Semi-Annual Statement Of Cash Flows
| Concept | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2023-03-31 | 
|---|---|---|---|---|---|---|---|
| Semi-annual statement of cash flows | |||||||
| Statement of cash flows | |||||||
| Cash flows from operating activities | |||||||
| Profit (loss) before income taxes | 
                                                2,514,438,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,515,956,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,880,041,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,878,161,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Depreciation | — | — | 
                                                115,470,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                125,075,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Increase (decrease) in allowance for doubtful accounts | — | — | 
                                                -6,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Interest and dividend income | — | — | 
                                                -105,593,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -204,489,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Foreign exchange losses (gains) | — | — | 
                                                -417,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -3,636,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Increase (decrease) in provision for bonuses | — | — | 
                                                2,849,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                27,015,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Decrease (increase) in trade receivables | — | — | 
                                                -564,977,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -116,014,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Decrease (increase) in inventories | — | — | 
                                                33,924,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,647,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Increase (decrease) in trade payables | — | — | 
                                                -30,618,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                25,086,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Other, net | — | — | 
                                                4,333,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                30,163,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Subtotal | — | — | 
                                                1,870,173,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,695,687,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Interest and dividends received | — | — | 
                                                97,279,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                203,675,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Income taxes paid | — | — | 
                                                -492,957,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -473,765,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Net cash provided by (used in) operating activities | — | — | 
                                                1,474,495,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,425,597,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Cash flows from investing activities | |||||||
| Purchase of securities | — | — | 
                                                -26,645,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -29,325,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Proceeds from sale of securities | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                20,379,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Purchase of property, plant and equipment | — | — | 
                                                -3,426,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -15,305,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Purchase of investment securities | — | — | 
                                                -74,259,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -192,456,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Proceeds from sale of investment securities | — | — | 
                                                78,580,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                168,583,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Net cash provided by (used in) investing activities | — | — | 
                                                -316,975,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -236,621,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Cash flows from financing activities | |||||||
| Purchase of treasury shares | — | — | 
                                                -257,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -175,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Dividends paid | — | — | 
                                                -614,053,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -578,013,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Net cash provided by (used in) financing activities | — | — | 
                                                -531,286,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -571,583,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Effect of exchange rate change on cash and cash equivalents | — | — | 
                                                417,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,444,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Net increase (decrease) in cash and cash equivalents | — | — | 
                                                626,650,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                619,836,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Cash and cash equivalents | — | 
                                                3,460,655,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                2,834,005,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,214,168,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |