Consolidated Statement Of Cash Flows
| Concept | As at 2024-05-31 | 2023-06-01 to 2024-05-31 | 2023-06-01 to 2024-05-31 | As at 2023-05-31 | 2022-06-01 to 2023-05-31 | 2022-06-01 to 2023-05-31 | As at 2022-05-31 | 
|---|---|---|---|---|---|---|---|
| Consolidated statement of cash flows | |||||||
| Statement of cash flows | |||||||
| Cash flows from operating activities | |||||||
| Profit (loss) before income taxes | — | 
                                                2,022,389,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,056,299,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,351,936,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                816,243,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Depreciation | — | 
                                                231,425,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                215,297,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Amortization of goodwill | — | 
                                                86,770,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                79,523,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Interest expenses | — | 
                                                16,553,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                13,776,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Subtotal | — | 
                                                2,211,525,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                2,661,636,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Decrease (increase) in inventories | — | 
                                                -14,427,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -11,522,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Net cash provided by (used in) operating activities | — | 
                                                1,506,289,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,394,929,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Other, net | — | 
                                                68,407,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                86,332,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Loss (gain) on sale of non-current assets | — | 
                                                556,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -452,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Interest and dividends received | — | 
                                                4,146,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                194,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Interest paid | — | 
                                                -16,551,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -15,288,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Compensation paid for damage | — | 
                                                -19,747,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Cash flows from investing activities | |||||||
| Net cash provided by (used in) investing activities | — | 
                                                -391,622,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -562,611,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Purchase of investment securities | — | 
                                                -8,485,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -79,758,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Proceeds from sale of investment securities | — | 
                                                44,647,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Purchase of shares of subsidiaries resulting in change in scope of consolidation | — | 
                                                -117,143,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -347,378,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Other, net | — | 
                                                32,202,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -39,372,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Cash flows from financing activities | |||||||
| Purchase of treasury shares | — | 
                                                -128,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -128,783,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Net increase (decrease) in short-term borrowings | — | 
                                                -84,296,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Dividends paid | — | 
                                                -539,779,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -349,342,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Proceeds from long-term borrowings | — | 
                                                400,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,374,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Dividends paid to non-controlling interests | — | 
                                                -3,584,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -9,194,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Repayments of long-term borrowings | — | 
                                                -473,309,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -285,755,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Net cash provided by (used in) financing activities | — | 
                                                -740,987,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                563,867,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Other, net | — | 
                                                -39,889,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -37,056,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Net increase (decrease) in cash and cash equivalents | — | 
                                                373,680,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,396,184,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Cash and cash equivalents | 
                                                6,653,088,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                6,279,408,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                4,883,224,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |