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Accounts Receivable (Tables)
6 Months Ended
Nov. 30, 2024
Accounts Receivable  
Schedule of accounts receivable

November 30, 

May 31, 

    

2024

    

2024

U.S. Government contracts:

 

  

 

  

Trade receivables

$

24.2

$

34.4

Unbilled receivables

 

9.9

 

9.4

 

34.1

 

43.8

All other customers:

 

 

Trade receivables

 

266.8

 

216.1

Unbilled receivables

 

19.5

 

27.3

 

286.3

 

243.4

$

320.4

$

287.2