Employees
| Concept | As at 2025-03-31 | As at 2025-03-31 | 
|---|---|---|
| Employees | ||
| Metrics related to human capital diversity | ||
| Metrics of consolidated subsidiaries | ||
| Consolidated subsidiaries | 
                                                モリタ宮田工業㈱
                                                
                                             | 
                                                ㈱モリタ
                                                
                                             | 
| Ratio of male employees taking childcare leave | ||
| All employees | 
                                                0.833
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                0.500
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
| Differences in wages between male and female employees | ||
| All employees | 
                                                0.693
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                0.634
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
| Regular employees | 
                                                0.824
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                0.812
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
| Non-regular employees | 
                                                0.958
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                0.650
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             |