Consolidated Statement Of Cash Flows
| Concept | As at 2024-11-30 | 2024-06-01 to 2024-11-30 | As at 2024-05-31 | As at 2023-11-30 | 2023-06-01 to 2023-11-30 | As at 2023-05-31 | 
|---|---|---|---|---|---|---|
| Consolidated statement of cash flows | ||||||
| Statement of cash flows | ||||||
| Cash flows from operating activities | ||||||
| Subtotal | — | 
                                                1,928,624,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,269,803,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Interest and dividends received | — | 
                                                1,781,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,489,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Income taxes paid | — | 
                                                -587,660,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -468,441,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Net cash provided by (used in) operating activities | — | 
                                                1,366,170,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                802,443,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Cash flows from investing activities | ||||||
| Purchase of property, plant and equipment | — | 
                                                -84,162,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -157,460,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Net cash provided by (used in) investing activities | — | 
                                                -112,903,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -227,546,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Other, net | — | 
                                                -5,351,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -2,238,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Cash flows from financing activities | ||||||
| Purchase of treasury shares | — | 
                                                -140,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Dividends paid | — | 
                                                -661,265,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -660,448,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Net cash provided by (used in) financing activities | — | 
                                                -661,396,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -660,448,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Effect of exchange rate change on cash and cash equivalents | — | 
                                                -69,557,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                114,941,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Net increase (decrease) in cash and cash equivalents | — | 
                                                522,314,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                29,389,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Cash and cash equivalents | 
                                                14,833,374,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                14,311,060,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                12,548,645,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                12,519,256,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |