Accounts Receivable (Details) - USD ($) $ in Millions	Aug. 31, 2022	May 31, 2022
Accounts Receivable
Accounts receivable Total	$ 220.8	$ 214.0
U.S. Government Contract
Accounts Receivable
Trade receivables	24.1	31.6
Unbilled receivables	15.2	25.9
Accounts receivable Total	39.3	57.5
All other customers
Accounts Receivable
Trade receivables	148.0	136.8
Unbilled receivables	33.5	19.7
Accounts receivable Total	$ 181.5	$ 156.5

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.

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Balance Type:	debit
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