Statement Of Cash Flows
| Concept | As at 2024-11-15 | 2024-05-16 to 2024-11-15 | As at 2024-05-15 | As at 2023-11-15 | 2023-05-16 to 2023-11-15 | As at 2023-05-15 | 
|---|---|---|---|---|---|---|
| Statement of cash flows | ||||||
| Statement of cash flows | ||||||
| Cash flows from operating activities | ||||||
| Profit (loss) before income taxes | — | 
                                                416,496,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                912,751,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Depreciation | — | 
                                                247,091,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                206,870,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Impairment losses | — | 
                                                199,888,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Interest expenses | — | 
                                                1,100,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                140,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Increase (decrease) in provision for bonuses | — | 
                                                88,810,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                72,950,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Loss (gain) on sale of property, plant and equipment | — | 
                                                1,397,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Decrease (increase) in trade receivables | — | 
                                                106,387,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                32,973,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Decrease (increase) in inventories | — | 
                                                16,272,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -104,349,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Increase (decrease) in trade payables | — | 
                                                -82,274,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -86,781,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Subtotal | — | 
                                                873,661,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,191,031,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Other, net | — | 
                                                -50,742,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                117,943,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Net cash provided by (used in) operating activities | — | 
                                                420,524,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,292,502,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Interest and dividends received | — | 
                                                638,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                50,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Interest paid | — | 
                                                -1,171,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -113,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Cash flows from operating activities | ||||||
| Cash flows from operating activities | ||||||
| Cash flows from investing activities | ||||||
| Purchase of property, plant and equipment | — | 
                                                -452,709,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -635,788,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Proceeds from sale of property, plant and equipment | — | 
                                                5,349,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Purchase of investment securities | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -20,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Net cash provided by (used in) investing activities | — | 
                                                -632,937,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -774,363,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Cash flows from facilities maintenance and investing activities | ||||||
| Cash flows from financing activities | ||||||
| Dividends paid | — | 
                                                -163,578,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -163,817,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Net cash provided by (used in) financing activities | — | 
                                                61,230,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -354,839,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Net increase (decrease) in cash and cash equivalents | — | 
                                                -151,183,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                163,299,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Cash and cash equivalents | 
                                                6,027,168,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                6,178,351,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,936,538,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                5,773,239,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |