Accounts Receivable (Details) - USD ($) $ in Millions	Nov. 30, 2023	May 31, 2023
Accounts Receivable
Total accounts receivable	$ 246.4	$ 241.3
U.S. Government contracts:
Accounts Receivable
Trade receivables	16.6	13.1
Unbilled receivables	18.2	18.9
Total accounts receivable	34.8	32.0
All other customers:
Accounts Receivable
Trade receivables	185.0	179.7
Unbilled receivables	26.6	29.6
Total accounts receivable	$ 211.6	$ 209.3

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No definition available.

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- Definition

Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

The total amount due to the entity within one year of the balance sheet date (or one operating cycle, if longer) from outside sources, including trade accounts receivable, notes and loans receivable, as well as any other types of receivables, net of allowances established for the purpose of reducing such receivables to an amount that approximates their net realizable value.

+ References

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-Topic 852
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Amount received for services rendered and products shipped, but not yet billed, for non-contractual agreements due within one year or the normal operating cycle, if longer.

+ References

No definition available.

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