Consolidated Balance Sheets - USD ($) $ in Thousands	Jan. 31, 2019	Apr. 30, 2018	Jan. 31, 2018
ASSETS
Cash and cash equivalents	$ 203,226	$ 1,544,944	$ 187,366
Cash and cash equivalents - restricted	101,903	118,734	83,033
Receivables, less allowance for doubtful accounts of $44,033, $45,215 and $81,813	758,217	146,774	791,618
Income taxes receivable	36,486	12,310	72,775
Prepaid expenses and other current assets	134,820	68,951	149,349
Total current assets	1,234,652	1,891,713	1,284,141
Property and equipment, at cost, less accumulated depreciation and amortization of $800,834, $757,809 and $745,397	220,505	231,888	249,911
Intangible assets, net	356,952	373,981	390,993
Goodwill	520,005	507,871	504,789
Deferred tax assets and income taxes receivable	141,366	34,095	25,305
Other noncurrent assets	95,326	101,401	106,161
Total assets	2,568,806	3,140,949	2,561,300
LIABILITIES:
Accounts payable and accrued expenses	202,101	251,975	163,653
Accrued salaries, wages and payroll taxes	140,902	141,499	135,626
Accrued income taxes and reserves for uncertain tax positions	49,009	263,050	164,246
Current portion of long-term debt		1,026	1,015
Deferred revenue and other current liabilities	195,634	186,101	201,988
Total current liabilities	587,646	843,651	666,528
Long-term debt and line of credit borrowings	1,876,989	1,494,609	2,284,231
Deferred tax liabilities and reserves for uncertain tax positions	214,217	229,430	201,384
Deferred revenue and other noncurrent liabilities	103,545	179,548	107,226
Total liabilities	2,782,397	2,747,238	3,259,369
COMMITMENTS AND CONTINGENCIES
STOCKHOLDERS' EQUITY:
Common stock, no par, stated value $.01 per share, 800,000,000 shares authorized, shares issued of 241,501,278, 246,198,878 and 246,198,878	2,415	2,462	2,462
Additional paid-in capital	764,982	760,250	758,361
Accumulated other comprehensive loss	(17,642)	(14,303)	(9,374)
Retained earnings (deficit)	(254,277)	362,980	(729,578)
Less treasury shares, at cost, of 36,460,305, 37,079,700 and 36,944,789	(709,069)	(717,678)	(719,940)
Total stockholders' equity (deficiency)	(213,591)	393,711	(698,069)
Total liabilities and stockholders' equity	$ 2,568,806	$ 3,140,949	$ 2,561,300