Quarterly Statement Of Cash Flows
| Concept | 2023-05-01 to 2024-04-30 | 2023-05-01 to 2024-04-30 | As at 2024-04-30 | 2022-05-01 to 2023-04-30 | 2022-05-01 to 2023-04-30 | As at 2023-04-30 | As at 2022-04-30 | 
|---|---|---|---|---|---|---|---|
| Quarterly statement of cash flows | |||||||
| Statement of cash flows | |||||||
| Cash flows from operating activities | |||||||
| Profit (loss) before income taxes | 
                                                -317,042,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -716,386,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -731,816,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -989,898,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Depreciation | — | 
                                                184,648,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                191,957,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Impairment losses | — | 
                                                30,856,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                40,875,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Increase (decrease) in allowance for doubtful accounts | — | 
                                                -17,696,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -91,875,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Interest and dividend income | — | 
                                                -49,096,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -55,604,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Interest expenses | — | 
                                                38,598,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                24,507,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Loss (gain) on sale of property, plant and equipment | — | 
                                                -48,887,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -293,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Decrease (increase) in inventories | — | 
                                                28,506,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -44,671,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Increase (decrease) in trade payables | — | 
                                                -114,872,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -45,883,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Other, net | — | 
                                                67,687,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                65,526,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Subtotal | — | 
                                                -487,992,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -658,754,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Interest and dividends received | — | 
                                                45,427,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                50,524,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Interest paid | — | 
                                                -25,272,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -24,536,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Income taxes paid | — | 
                                                -32,182,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -34,691,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Net cash provided by (used in) operating activities | — | 
                                                -493,499,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -658,632,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Cash flows from investing activities | |||||||
| Purchase of property, plant and equipment | — | 
                                                -230,642,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -135,193,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Proceeds from sale of property, plant and equipment | — | 
                                                105,040,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                293,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Purchase of investment securities | — | 
                                                -254,878,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -2,519,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Proceeds from sale of investment securities | — | 
                                                566,443,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                124,017,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Loan advances | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -49,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Proceeds from collection of loans receivable | — | 
                                                1,106,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                21,035,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Net cash provided by (used in) investing activities | — | 
                                                181,170,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -75,895,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Cash flows from financing activities | |||||||
| Repayments of long-term borrowings | — | 
                                                -252,717,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -154,352,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Dividends paid | — | 
                                                -424,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -120,559,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Net cash provided by (used in) financing activities | — | 
                                                210,937,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                742,987,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Effect of exchange rate change on cash and cash equivalents | — | 
                                                79,806,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                28,168,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Net increase (decrease) in cash and cash equivalents | — | 
                                                -21,584,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                36,627,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Cash and cash equivalents | — | — | 
                                                1,478,384,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,499,969,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,463,341,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |