Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents	$ 399,318	$ 447,152
Restricted cash	145,235	167,492
Accounts receivable (less allowance for doubtful accounts of $24,033 and $21,903, at March 31, 2016 and December 31, 2015, respectively)	880,808	638,954
Securitized accounts receivable—restricted for securitization investors	551,000	614,000
Prepaid expenses and other current assets	70,251	68,113
Deferred income taxes	7,969	8,913
Total current assets	2,054,581	1,944,624
Property and equipment	177,167	163,569
Less accumulated depreciation and amortization	(91,562)	(82,809)
Net property and equipment	85,605	80,760
Goodwill	3,564,211	3,546,034
Other intangibles, net	2,155,157	2,183,595
Equity method investment	82,626	76,568
Other assets	69,650	58,225
Total assets	8,011,830	7,889,806
Current liabilities:
Accounts payable	796,803	669,528
Accrued expenses	185,505	150,677
Customer deposits	471,109	507,233
Securitization facility	551,000	614,000
Current portion of notes payable and lines of credit	191,128	261,100
Other current liabilities	42,469	44,936
Total current liabilities	2,238,014	2,247,474
Notes payable and other obligations, less current portion	2,032,905	2,059,900
Deferred income taxes	713,404	713,428
Other noncurrent liabilities	39,738	38,957
Total noncurrent liabilities	$ 2,786,047	$ 2,812,285
Commitments and contingencies
Stockholders’ equity:
Common stock, $0.001 par value; 475,000,000 shares authorized; 120,714,906 shares issued and 92,551,029 shares outstanding at March 31, 2016; and 120,539,041 shares issued and 92,376,335 shares outstanding at December 31, 2015	$ 121	$ 121
Additional paid-in capital	2,005,608	1,988,917
Retained earnings	1,876,308	1,766,336
Accumulated other comprehensive loss	(539,609)	(570,811)
Less treasury stock, 28,163,877 and 28,162,706 shares at March 31, 2016 and December 31, 2015, respectively	(354,659)	(354,516)
Total stockholders’ equity	2,987,769	2,830,047
Total liabilities and stockholders’ equity	$ 8,011,830	$ 7,889,806