CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jul. 31, 2020	Apr. 30, 2020	Jul. 31, 2019
ASSETS
Cash and cash equivalents	$ 2,598,570	$ 2,661,914	$ 607,668
Cash and cash equivalents - restricted	208,015	211,106	157,786
Receivables, less allowance for credit losses of $67,636, $66,652 and $64,648	97,222	133,197	76,128
Prepaid expenses and other current assets	93,538	80,519	105,123
Total current assets	2,997,345	3,086,736	946,705
Property and equipment, at cost, less accumulated depreciation and amortization of $817,280, $764,891 and $796,192	168,830	184,367	199,679
Operating lease right of use asset	492,195	494,788	486,147
Intangible assets, net	400,025	414,976	419,391
Goodwill	724,288	712,138	821,278
Deferred tax assets and income taxes receivable	153,274	151,195	142,416
Other noncurrent assets	61,479	67,847	94,384
Total assets	4,997,436	5,112,047	3,110,000
LIABILITIES:
Accounts payable and accrued expenses	128,690	203,103	122,156
Accrued salaries, wages and payroll taxes	69,346	116,375	48,166
Accrued income taxes and reserves for uncertain tax positions	156,557	209,816	182,928
Current portion of long-term debt	0	649,384	0
Operating lease liabilities	209,556	195,537	186,355
Deferred revenue and other current liabilities	201,809	201,401	193,364
Total current liabilities	765,958	1,575,616	732,969
Long-term debt and line of credit borrowings	3,495,918	2,845,873	1,493,289
Deferred tax liabilities and reserves for uncertain tax positions	185,687	182,441	199,714
Operating lease liabilities	297,518	312,566	292,818
Deferred revenue and other noncurrent liabilities	117,078	124,510	100,406
Total liabilities	4,862,159	5,041,006	2,819,196
COMMITMENTS AND CONTINGENCIES
STOCKHOLDERS' EQUITY:
Common stock, no par, stated value $.01 per share, 800,000,000 shares authorized, shares issued of 228,206,684, 236,744,360 and 228,206,684	2,282	2,282	2,367
Additional paid-in capital	772,782	775,387	759,449
Accumulated other comprehensive loss	(34,037)	(51,576)	(22,736)
Retained earnings	82,933	42,965	250,740
Less treasury shares, at cost, of 35,308,213, 35,785,391 and 35,731,376	(688,683)	(698,017)	(699,016)
Total stockholders' equity	135,277	71,041	290,804
Total liabilities and stockholders' equity	$ 4,997,436	$ 5,112,047	$ 3,110,000