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Inventories (Tables)
6 Months Ended
Nov. 30, 2022
Inventories  
Schedule of inventories

November 30, 

    

May 31, 

    

2022

    

2022

Aircraft and engine parts, components and finished goods

$

520.4

$

465.9

Raw materials and parts

 

56.0

 

62.2

Work-in-process

18.6

22.4

$

595.0

$

550.5