Semi-Annual Consolidated Statement Of Cash Flows
| Concept | 2023-09-01 to 2023-11-30 | As at 2023-11-30 | 2023-06-01 to 2023-11-30 | As at 2023-05-31 | 2022-09-01 to 2022-11-30 | 2022-06-01 to 2022-11-30 | As at 2022-11-30 | As at 2022-05-31 | 
|---|---|---|---|---|---|---|---|---|
| Semi-annual consolidated statement of cash flows | ||||||||
| Statement of cash flows | ||||||||
| Cash flows from operating activities | ||||||||
| Profit (loss) before income taxes | 
                                                840,575,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,284,069,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                784,189,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,310,100,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Depreciation | — | — | 
                                                279,059,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                340,503,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Increase (decrease) in allowance for doubtful accounts | — | — | 
                                                -1,126,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -1,156,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Interest and dividend income | — | — | 
                                                -1,533,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -1,006,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Decrease (increase) in trade receivables | — | — | 
                                                558,176,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -261,178,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Decrease (increase) in inventories | — | — | 
                                                -114,557,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -99,273,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Increase (decrease) in trade payables | — | — | 
                                                -61,915,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                40,969,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Other, net | — | — | 
                                                -60,124,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -187,403,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Subtotal | — | — | 
                                                1,271,503,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,105,729,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Interest and dividends received | — | — | 
                                                1,489,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                978,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Income taxes paid | — | — | 
                                                -468,441,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -379,390,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Net cash provided by (used in) operating activities | — | — | 
                                                802,443,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                712,968,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Cash flows from investing activities | ||||||||
| Proceeds from sale of securities | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                71,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Purchase of property, plant and equipment | — | — | 
                                                -157,460,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -215,695,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Other, net | — | — | 
                                                -2,238,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Net cash provided by (used in) investing activities | — | — | 
                                                -227,546,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -101,599,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Cash flows from financing activities | ||||||||
| Purchase of treasury shares | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -254,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Dividends paid | — | — | 
                                                -660,448,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -548,737,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Net cash provided by (used in) financing activities | — | — | 
                                                -660,448,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -548,991,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Effect of exchange rate change on cash and cash equivalents | — | — | 
                                                114,941,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                114,008,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Net increase (decrease) in cash and cash equivalents | — | — | 
                                                29,389,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                176,385,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Cash and cash equivalents | — | 
                                                12,548,645,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                12,519,256,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                11,599,329,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,422,943,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |