Quarterly Consolidated Balance Sheet
| Concept | As at 2024-02-29 | As at 2023-05-31 | 
|---|---|---|
| Quarterly consolidated balance sheet | ||
| Balance sheet | ||
| Assets | ||
| Current assets | ||
| Cash and deposits | 
                                                6,217,262,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,408,686,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Work in process | 
                                                291,446,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                259,633,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                495,337,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                313,980,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current assets | 
                                                8,447,513,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,326,633,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current assets | ||
| Property, plant and equipment | 
                                                862,414,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                770,054,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Property, plant and equipment | ||
| Intangible assets | ||
| Goodwill | 
                                                342,070,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                368,962,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                271,125,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                273,440,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Intangible assets | 
                                                613,196,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                642,402,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Investments and other assets | 
                                                924,281,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,121,825,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Investments and other assets | ||
| Investment securities | 
                                                93,569,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                124,670,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Deferred tax assets | 
                                                266,800,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                355,956,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                40,981,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                175,021,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current assets | 
                                                2,399,892,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,534,282,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Assets | 
                                                10,847,405,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,860,916,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities | ||
| Current liabilities | ||
| Short-term borrowings | 
                                                150,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                84,296,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Income taxes payable | 
                                                217,208,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                261,577,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                258,789,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                220,640,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current liabilities | 
                                                3,199,132,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,352,910,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current liabilities | ||
| Long-term borrowings | 
                                                1,722,800,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,961,537,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Retirement benefit liability | 
                                                59,598,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                65,675,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                52,045,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                52,045,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current liabilities | 
                                                2,168,460,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,429,960,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities | 
                                                5,367,593,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,782,870,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net assets | ||
| Shareholders' equity | ||
| Share capital | 
                                                992,784,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                992,784,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Capital surplus | 
                                                42,236,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                42,236,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Retained earnings | 
                                                4,528,354,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,129,521,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Treasury shares | 
                                                -129,039,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -128,910,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Shareholders' equity | 
                                                5,434,336,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,035,631,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Valuation and translation adjustments | ||
| Valuation difference on available-for-sale securities | 
                                                4,283,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,487,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Valuation and translation adjustments | 
                                                4,283,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,487,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-controlling interests | 
                                                41,191,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                40,926,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net assets | 
                                                5,479,811,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,078,045,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities and net assets | 
                                                10,847,405,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,860,916,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |