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Inventories (Tables)
9 Months Ended
Feb. 28, 2023
Inventories  
Schedule of inventories

February 28, 

    

May 31, 

    

2023

    

2022

Aircraft and engine parts, components and finished goods

$

489.7

$

465.9

Raw materials and parts

 

61.1

 

62.2

Work-in-process

19.9

22.4

$

570.7

$

550.5