CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jan. 31, 2021	Apr. 30, 2020	Jan. 31, 2020
ASSETS
Cash and cash equivalents	$ 280,249	$ 2,661,914	$ 192,340
Cash and cash equivalents - restricted	181,159	211,106	169,447
Receivables, less allowance for credit losses of $34,493, $45,254 and $64,648	563,089	133,197	819,946
Prepaid expenses and other current assets	196,145	80,519	120,229
Total current assets	1,220,642	3,086,736	1,301,962
Property and equipment, at cost, less accumulated depreciation and amortization of $851,731, $803,272 and $796,192	162,765	184,367	197,569
Operating lease right of use asset	419,245	494,788	463,777
Intangible assets, net	381,264	414,976	433,074
Goodwill	745,616	712,138	838,830
Deferred tax assets and income taxes receivable	179,598	151,195	134,901
Other noncurrent assets	59,233	67,847	82,317
Total assets	3,168,363	5,112,047	3,452,430
LIABILITIES:
Accounts payable and accrued expenses	160,880	203,103	156,766
Accrued salaries, wages and payroll taxes	118,517	116,375	117,459
Accrued income taxes and reserves for uncertain tax positions	17,088	209,816	36,242
Current portion of long-term debt	0	649,384	649,022
Operating lease liabilities	186,209	195,537	187,890
Deferred revenue and other current liabilities	208,789	201,401	190,242
Total current liabilities	691,483	1,575,616	1,337,621
Long-term debt and line of credit borrowings	2,369,574	2,845,873	1,880,589
Deferred tax liabilities and reserves for uncertain tax positions	302,120	182,441	172,954
Operating lease liabilities	245,383	312,566	289,299
Deferred revenue and other noncurrent liabilities	94,383	124,510	90,346
Total liabilities	3,702,943	5,041,006	3,770,809
COMMITMENTS AND CONTINGENCIES
STOCKHOLDERS' EQUITY:
Common stock, no par, stated value $0.01 per share, 800,000,000 shares authorized, shares issued of 218,719,439, 228,206,684 and 228,206,684	2,187	2,282	2,282
Additional paid-in capital	778,495	775,387	769,990
Accumulated other comprehensive loss	(11,693)	(51,576)	(25,391)
Retained earnings (deficit)	(616,518)	42,965	(367,218)
Less treasury shares, at cost, of 35,225,825, 35,732,666 and 35,731,376	(687,051)	(698,017)	(698,042)
Total stockholders' equity (deficiency)	(534,580)	71,041	(318,379)
Total liabilities and stockholders' equity	$ 3,168,363	$ 5,112,047	$ 3,452,430