Consolidated Statement Of Income
| Concept | 2024-04-01 to 2024-09-30 | 2023-04-01 to 2023-09-30 | 
|---|---|---|
| Consolidated statement of income | ||
| Statement of income | ||
| Ordinary expenses | — | — | 
| Other operating expenses | — | — | 
| Share of loss of entities accounted for using equity method | 
                                                1,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                139,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Operating expenses | ||
| Selling, general and administrative expenses | 
                                                8,636,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,919,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Operating expenses | ||
| Operating profit (loss) | 
                                                13,730,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,797,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Ordinary profit (loss) | 
                                                17,312,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                14,122,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net sales | ||
| Net sales of completed construction contracts | 
                                                237,342,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                271,695,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Extraordinary income | 
                                                207,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                45,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-operating income | 
                                                5,656,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,280,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Dividend income | 
                                                59,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                756,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Interest income | 
                                                5,437,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,411,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-operating income | ||
| Other | 
                                                159,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                112,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Selling, general and administrative expenses | ||
| Employees' salaries and allowances | 
                                                2,355,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,012,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Cost of sales | ||
| Cost of sales of completed construction contracts | 
                                                214,975,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                253,978,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-operating expenses | 
                                                2,073,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,956,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Interest expenses | 
                                                347,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                350,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-operating expenses | ||
| Other | 
                                                60,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                56,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Extraordinary losses | 
                                                17,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                77,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Profit (loss) before income taxes | 
                                                17,502,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                14,089,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Gross profit | ||
| Gross profit (loss) on completed construction contracts | 
                                                22,366,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                17,717,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Extraordinary income | ||
| Income taxes - current | 
                                                2,894,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,111,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Extraordinary losses | ||
| Income taxes - deferred | 
                                                103,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                167,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Income taxes | 
                                                2,998,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,278,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Profit (loss) | 
                                                14,504,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,811,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Profit (loss) attributable to non-controlling interests | 
                                                343,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                176,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Profit (loss) attributable to owners of parent | 
                                                14,161,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,634,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other comprehensive income | ||
| Valuation difference on available-for-sale securities | 
                                                -55,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -39,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Deferred gains or losses on hedges | 
                                                -5,519,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,950,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Foreign currency translation adjustment | 
                                                -6,798,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -5,153,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Share of other comprehensive income of entities accounted for using equity method | 
                                                19,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                13,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Remeasurements of defined benefit plans, net of tax | 
                                                -331,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -26,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other comprehensive income | 
                                                -12,686,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -255,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Profit attributable to | ||
| Comprehensive income | 
                                                1,817,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,555,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Comprehensive income attributable to | ||
| Comprehensive income attributable to owners of parent | 
                                                1,546,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,365,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Comprehensive income attributable to non-controlling interests | 
                                                271,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                190,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |