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Inventories (Tables)
3 Months Ended
Aug. 31, 2023
Inventories  
Schedule of inventories

August 31, 

    

May 31, 

    

2023

    

2023

Aircraft and engine parts, components and finished goods

$

534.1

$

488.9

Raw materials and parts

 

52.4

 

59.6

Work-in-process

27.7

25.6

$

614.2

$

574.1