Consolidated Balance Sheets - USD ($) $ in Thousands	Apr. 30, 2020	Apr. 30, 2019
ASSETS
Cash and cash equivalents	$ 2,661,914	$ 1,572,150
Cash and cash equivalents - restricted	211,106	135,577
Receivables, less allowance for doubtful accounts of $64,648 and $67,228	133,197	138,965
Prepaid expenses and other current assets	80,519	146,667
Total current assets	3,086,736	1,993,359
Property and equipment, at cost, less accumulated depreciation and amortization of $796,192 and $745,761	184,367	212,092
Operating lease right of use asset	494,788
Intangible assets, net	414,976	342,493
Goodwill	712,138	519,937
Deferred tax assets and income taxes receivable	151,195	141,979
Other noncurrent assets	67,847	90,085
Total assets	5,112,047	3,299,945
LIABILITIES:
Accounts payable and accrued expenses	203,103	249,525
Accrued salaries, wages and payroll taxes	116,375	196,527
Accrued income taxes and reserves for uncertain tax positions	209,816	271,973
Current portion of long-term debt	649,384	0
Operating lease liabilities	195,537
Deferred revenue and other current liabilities	201,401	204,976
Total current liabilities	1,575,616	923,001
Long-term debt and line of credit borrowings	2,845,873	1,492,629
Deferred tax liabilities and reserves for uncertain tax positions	182,441	197,906
Operating lease liabilities	312,566
Deferred revenue and other noncurrent liabilities	124,510	144,882
Total liabilities	5,041,006	2,758,418
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 and 238,336,760	2,282	2,383
Additional paid-in capital	775,387	767,636
Accumulated other comprehensive loss	(51,576)	(20,416)
Retained earnings	42,965	499,386
Less treasury shares, at cost, of 35,731,376 and 36,377,441	(698,017)	(707,462)
Total stockholders' equity	71,041	541,527
Total liabilities and stockholders' equity	$ 5,112,047	$ 3,299,945