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Inventories (Tables)
6 Months Ended
Nov. 30, 2023
Inventories  
Schedule of inventories

November 30, 

    

May 31, 

    

2023

    

2023

Aircraft and engine parts, components and finished goods

$

563.8

$

488.9

Raw materials and parts

 

52.3

 

59.6

Work-in-process

29.8

25.6

$

645.9

$

574.1