v3.26.1
Business Segment Information - Sales and Gross Profit (Details) - USD ($)
$ in Millions
12 Months Ended
May 31, 2026
May 31, 2025
May 31, 2024
Business Segment Information      
Total assets $ 3,355.9 $ 2,844.6  
Capital expenditures 36.6 34.7 $ 29.7
Depreciation and amortization 89.9 75.1 55.5
Earnings (Loss) from joint ventures 7.2 5.4 (0.2)
Investments in joint ventures 49.0 32.3  
Corporate      
Business Segment Information      
Depreciation and amortization 15.9 19.0 16.0
Parts Supply      
Business Segment Information      
Total assets 1,099.9 818.8  
Capital expenditures 0.9 0.2 0.8
Depreciation and amortization 24.0 9.7 8.4
Earnings (Loss) from joint ventures 7.3 2.0 (0.5)
Investments in joint ventures 15.8 8.4  
Repair, Engineering, and Software      
Business Segment Information      
Total assets 1,598.2 1,328.0  
Capital expenditures 25.6 23.9 14.2
Depreciation and amortization 35.7 32.5 17.3
Earnings (Loss) from joint ventures (0.1) 3.4 0.3
Investments in joint ventures 33.2 23.9  
Government Solutions      
Business Segment Information      
Total assets 282.8 253.2  
Capital expenditures 7.5 8.7 11.0
Depreciation and amortization 7.1 6.4 3.8
Legacy Commercial Programs      
Business Segment Information      
Total assets 250.2 273.8  
Capital expenditures   0.1 0.4
Depreciation and amortization 7.2 7.5 10.0
Corporate and other      
Business Segment Information      
Total assets 124.8 170.8  
Capital expenditures $ 2.6 $ 1.8 $ 3.3