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Segment Information, Reconciliation of Consolidated US GAAP Operating Income to Non-GAAP Adjusted Contribution to Profit (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Jan. 31, 2022	Jan. 31, 2021	Jan. 31, 2022	Jan. 31, 2021
Reconciliation of Consolidated US GAAP Operating Income to Non-GAAP Adjusted Contribution to Profit [Abstract]
US GAAP Operating Income		$ 45,989	$ 34,327	$ 160,845	$ 134,271
Adjustments [Abstract]
Restructuring and related charges (credits)	[1]	448	20,675	(1,161)	24,813
Non-GAAP Adjusted Contribution to Profit		$ 46,437	$ 55,002	$ 159,684	$ 159,084
[1] See Note 9, “Restructuring and Related Charges (Credits)” for these charges by segment.

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