Fee Revenue (Tables)

12 Months Ended

Apr. 30, 2021

Revenue From Contract With Customer [Abstract]

Schedule of Contract Asset and Liability

The following table outlines our contract asset and liability balances as of April 30, 2021 and 2020:

	April 30,
	2021		2020
	(in thousands)
Contract assets-unbilled receivables	$	82,842	$	65,370
Contract liabilities-deferred revenue	$	184,610	$	133,128

Schedule of Disaggregation of Fee Revenue by Industry

The following table provides further disaggregation of fee revenue by industry:

	Year Ended April 30,
	2021					2020					2019
	Dollars		%			Dollars		%			Dollars		%
	(dollars in thousands)
Industrial	$	490,863		27.1	%	$	556,189		28.8	%	$	557,284		28.9	%
Life Sciences/Healthcare		355,668		19.7			343,955		17.8			322,574		16.7
Financial Services		331,976		18.3			334,433		17.3			348,460		18.1
Consumer Goods		239,457		13.2			285,927		14.8			295,900		15.4
Technology		275,510		15.2			285,562		14.8			261,176		13.6
Education/Non–Profit/General		116,573		6.5			126,666		6.5			140,639		7.3
Fee Revenue	$	1,810,047		100.0	%	$	1,932,732		100.0	%	$	1,926,033		100.0	%