CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jan. 31, 2021	Jan. 31, 2020	Jan. 31, 2021	Jan. 31, 2020
REVENUES:
Total revenues	$ 308,227	$ 519,205	$ 1,085,807	$ 830,368
OPERATING EXPENSES:
Costs of revenues	380,273	462,521	940,364	945,119
Selling, general and administrative	191,488	209,288	461,368	475,758
Total operating expenses	571,761	671,809	1,401,732	1,420,877
Other income (expense), net	2,367	1,879	4,759	13,741
Interest expense on borrowings	(22,333)	(26,305)	(85,319)	(68,682)
Loss from continuing operations before income tax benefit	(283,500)	(177,030)	(396,485)	(645,450)
Income tax benefit	(51,669)	(49,004)	(35,730)	(188,146)
Net loss from continuing operations	(231,831)	(128,026)	(360,755)	(457,304)
Net loss from discontinued operations, net of tax benefits of $1,323, $488, $3,371 and $3,173	(1,163)	(1,657)	(4,706)	(10,625)
Net Loss	$ (232,994)	$ (129,683)	$ (365,461)	$ (467,929)
BASIC AND DILUTED LOSS PER SHARE:
Continuing operations	$ (1.27)	$ (0.66)	$ (1.92)	$ (2.31)
Discontinued operations	0	(0.01)	(0.02)	(0.05)
Consolidated	(1.27)	(0.67)	(1.94)	(2.36)
Dividends declared per share (in usd per share)	$ 0.26	$ 0.26	$ 0.78	$ 0.78
COMPREHENSIVE LOSS:
Net loss	$ (232,994)	$ (129,683)	$ (365,461)	$ (467,929)
Change in foreign currency translation adjustments	20,014	(3,574)	39,883	(4,975)
Other comprehensive income (loss)	20,014	(3,574)	39,883	(4,975)
Comprehensive loss	(212,980)	(133,257)	(325,578)	(472,904)
Service revenues
REVENUES:
Total revenues	244,692	419,955	956,605	691,762
Royalty, product and other revenues
REVENUES:
Total revenues	$ 63,535	$ 99,250	$ 129,202	$ 138,606