v3.26.1
Goodwill and Other Intangible Assets, Net (Details)
$ in Millions
3 Months Ended 12 Months Ended
May 31, 2026
USD ($)
May 31, 2026
USD ($)
segment
May 31, 2025
USD ($)
Goodwill      
Number of reporting units | segment   6  
Changes in the carrying amount of goodwill      
Goodwill, beginning balance   $ 530.8 $ 554.8
Acquisition   49.5  
Foreign currency translation adjustments     1.0
Goodwill, ending balance $ 580.3 580.3 530.8
Product Support      
Changes in the carrying amount of goodwill      
Acquisition     10.4
Trax      
Changes in the carrying amount of goodwill      
Sale of Landing Gear Overhaul business     (14.6)
Parts Supply      
Changes in the carrying amount of goodwill      
Goodwill, beginning balance   38.9 38.9
Acquisition   9.1  
Goodwill, ending balance 48.0 $ 48.0 38.9
Repair, Engineering, and Software      
Goodwill      
Number of reporting units | segment   2  
Government Solutions      
Goodwill      
Number of reporting units | segment   2  
Changes in the carrying amount of goodwill      
Foreign currency translation adjustments   $ 65.3  
Goodwill, ending balance 65.3 65.3  
Legacy Commercial Programs      
Goodwill      
Goodwill re-allocation   16.4  
Changes in the carrying amount of goodwill      
Foreign currency translation adjustments   16.4  
Goodwill re-allocation   16.4  
Goodwill, ending balance $ 16.4 $ 16.4  
Legacy Commercial Programs | Minimum      
Goodwill      
Expected wind down period 3 years 3 years  
Legacy Commercial Programs | Maximum      
Goodwill      
Expected wind down period 4 years 4 years  
Integrated Solutions      
Goodwill      
Goodwill re-allocation $ 92.7    
Changes in the carrying amount of goodwill      
Goodwill, beginning balance   $ 81.4 80.5
Acquisition   11.3  
Foreign currency translation adjustments   (92.7) 0.9
Goodwill re-allocation 92.7    
Goodwill, ending balance     81.4
Expeditionary Services      
Changes in the carrying amount of goodwill      
Goodwill, beginning balance   18.8 18.8
Foreign currency translation adjustments   (18.8)  
Goodwill, ending balance     18.8
Repair & Engineering      
Changes in the carrying amount of goodwill      
Goodwill, beginning balance   391.7 416.6
Acquisition   29.1  
Foreign currency translation adjustments   29.8 0.1
Goodwill, ending balance $ 450.6 $ 450.6 391.7
Repair & Engineering | Product Support      
Changes in the carrying amount of goodwill      
Acquisition     10.4
Repair & Engineering | Trax      
Changes in the carrying amount of goodwill      
Sale of Landing Gear Overhaul business     $ (14.6)