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 | ||||||
| Profit (loss) before income taxes | — | 
                                                200,969,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                75,392,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Depreciation | — | 
                                                56,501,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                79,599,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Increase (decrease) in allowance for doubtful accounts | — | 
                                                838,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -552,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Interest and dividend income | — | 
                                                -1,265,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -1,484,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Interest expenses | — | 
                                                10,255,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                9,392,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Increase (decrease) in trade payables | — | 
                                                11,805,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -26,058,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Other, net | — | 
                                                -30,970,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -29,445,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Subtotal | — | 
                                                130,360,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                7,814,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Interest and dividends received | — | 
                                                1,265,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,484,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Interest paid | — | 
                                                -10,357,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -9,427,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Net cash provided by (used in) operating activities | — | 
                                                -137,042,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -76,094,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Cash flows from investing activities | ||||||
| Purchase of property, plant and equipment | — | 
                                                -2,520,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -1,687,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Proceeds from sale of property, plant and equipment | — | 
                                                112,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Net cash provided by (used in) investing activities | — | 
                                                -8,359,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -17,655,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Cash flows from financing activities | ||||||
| Repayments of long-term borrowings | — | 
                                                -86,004,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -86,004,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Proceeds from issuance of shares | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                3,120,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Dividends paid | — | 
                                                -103,270,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -102,981,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Net cash provided by (used in) financing activities | — | 
                                                -247,551,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -198,567,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Effect of exchange rate change on cash and cash equivalents | — | 
                                                7,814,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                8,603,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Net increase (decrease) in cash and cash equivalents | — | 
                                                -385,138,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -283,713,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Cash and cash equivalents | 
                                                3,364,588,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                3,749,726,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,471,320,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                3,755,033,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |