Accounts Receivable (Details) - USD ($) $ in Millions	Aug. 31, 2025	May 31, 2025
Accounts Receivable
Total accounts receivable	$ 363.5	$ 354.8
U.S. Government contracts
Accounts Receivable
Trade receivables	32.6	26.6
Unbilled receivables	9.1	13.4
Total accounts receivable	41.7	40.0
All other customers
Accounts Receivable
Trade receivables	299.4	283.4
Unbilled receivables	22.4	31.4
Total accounts receivable	$ 321.8	$ 314.8

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 310
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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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/2009/role/commonPracticeRef
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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

Reference 1: http://www.xbrl.org/2003/role/exampleRef
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+ References

No definition available.

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