v3.26.1
Business Segment Information - Sales by type of product / service (Details) - USD ($)
$ in Millions
12 Months Ended
May 31, 2026
May 31, 2025
May 31, 2024
Sales by type of product / service      
Net sales $ 3,308.0 $ 2,780.5 $ 2,318.9
Government Solutions      
Sales by type of product / service      
Net sales 502.3 495.4 451.7
Government Solutions | Government programs      
Sales by type of product / service      
Net sales 409.2 394.7 381.8
Government Solutions | Mobility Systems      
Sales by type of product / service      
Net sales 93.1 100.7 69.9
Legacy Commercial Programs      
Sales by type of product / service      
Net sales 237.2 254.5 218.9
Legacy Commercial Programs | Component repair programs      
Sales by type of product / service      
Net sales 210.4 225.1 185.1
Legacy Commercial Programs | Distribution of C&E inventory      
Sales by type of product / service      
Net sales $ 26.8 $ 29.4 $ 33.8