v3.26.3
Business Segment Information - Sales by type of product / service (Details) - USD ($)
$ in Millions
3 Months Ended
Aug. 31, 2026
Aug. 31, 2025
Sales by type of product / service    
Net sales $ 918.0 $ 739.6
Government Solutions    
Sales by type of product / service    
Net sales 138.8 133.9
Government Solutions | Government programs    
Sales by type of product / service    
Net sales 106.0 111.7
Government Solutions | Mobility Systems    
Sales by type of product / service    
Net sales 32.8 22.2
Legacy Commercial Programs    
Sales by type of product / service    
Net sales 66.9 61.5
Legacy Commercial Programs | Component repair programs    
Sales by type of product / service    
Net sales 63.1 53.9
Legacy Commercial Programs | Distribution of C&E inventory    
Sales by type of product / service    
Net sales $ 3.8 $ 7.6