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v3.23.4

Accounts Receivable | 6 Months Ended
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Nov. 30, 2023
Accounts Receivable |
Accounts Receivable | Note 4 – Accounts Receivable ​ Financial instruments that potentially subject us to concentrations of market or credit risk consist principally of trade receivables. While our trade receivables are diverse and represent a number of entities and geographic regions, the majority are with the U.S. government and its contractors and entities in the aviation industry. The composition of our accounts receivable is as follows: ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | November 30, | ​ | May 31,
​ |  | 2023 |  | 2023
U.S. Government contracts: |  | ​ |  |  | ​ |
Trade receivables | ​ | $ | 16.6 | ​ | $ | 13.1
Unbilled receivables | ​ |  | 18.2 | ​ |  | 18.9
​ | ​ |  | 34.8 | ​ |  | 32.0
All other customers: | ​ |  | ​ | ​ |  | ​
Trade receivables | ​ |  | 185.0 | ​ |  | 179.7
Unbilled receivables | ​ |  | 26.6 | ​ |  | 29.6
​ | ​ |  | 211.6 | ​ |  | 209.3
​ | ​ | $ | 246.4 | ​ | $ | 241.3
​

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