CONDENSED CONSOLIDATED STATEMENTS OF NET (LOSS) INCOME - UNAUDITED - USD ($) shares in Thousands, $ in Thousands		3 Months Ended
		Jul. 31, 2022	Jul. 31, 2021
CONDENSED CONSOLIDATED STATEMENTS OF NET (LOSS) INCOME - UNAUDITED [Abstract]
Revenue, net		$ 487,569	$ 488,388
Costs and expenses
Cost of sales		174,031	165,956
Operating and administrative expenses		282,751	260,589
Restructuring and related charges (credits)	[1]	22,441	(276)
Amortization of intangible assets		25,311	21,151
Total costs and expenses		504,534	447,420
Operating (loss) income		(16,965)	40,968
Interest expense		(6,332)	(4,639)
Foreign exchange transaction (losses) gains		(616)	370
Gain on sale of certain assets		0	3,750
Other income, net		526	3,553
(Loss) income before taxes		(23,387)	44,002
(Benefit) Provision for income taxes		(5,552)	30,172
Net (loss) income		$ (17,835)	$ 13,830
(Loss) Earnings per share:
Basic (in dollars per share)		$ (0.32)	$ 0.25
Diluted (in dollars per share)		$ (0.32)	$ 0.24
Weighted average number of common shares outstanding:
Basic (in shares)		55,736	55,869
Diluted (in shares)		55,736	56,599

[1] See Note 9, “Restructuring and Related Charges (Credits)” for these charges by segment.