Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Current assets:
Cash and cash equivalents	$ 283,374	$ 338,105
Restricted cash	46,840	48,244
Accounts receivable (less allowance for doubtful accounts of $21,763 and $22,416, respectively)	682,753	573,351
Securitized accounts receivable-restricted for securitization investors	393,500	349,000
Prepaid expenses and other current assets	60,684	40,062
Deferred income taxes	4,258	4,750
Total current assets	1,471,409	1,353,512
Property and equipment	118,458	111,100
Less accumulated depreciation and amortization	(63,567)	(57,144)
Net property and equipment	54,891	53,956
Goodwill	1,561,530	1,552,725
Other intangibles, net	860,898	871,263
Other assets	87,989	100,779
Total assets	4,036,717	3,932,235
Current liabilities:
Accounts payable	578,507	467,202
Accrued expenses	111,275	114,870
Customer deposits	174,683	182,541
Securitization facility	393,500	349,000
Current portion of notes payable and lines of credit	532,868	662,439
Other current liabilities	119,260	132,846
Total current liabilities	1,910,093	1,908,898
Notes payable and other obligations, less current portion	459,916	474,939
Deferred income taxes	248,066	249,504
Other noncurrent liabilities	52,462	55,001
Total noncurrent liabilities	760,444	779,444
Commitments and contingencies (Note 11)
Stockholders' equity:
Common stock, $0.001 par value; 475,000,000 shares authorized; 118,671,070 shares issued and 82,936,578 shares outstanding at March 31, 2014; and 118,206,262 shares issued and 82,471,770 shares outstanding at December 31, 2013	118	117
Additional paid-in capital	662,917	631,667
Retained earnings	1,110,307	1,035,198
Accumulated other comprehensive loss	(31,499)	(47,426)
Less treasury stock (35,734,492 shares at March 31, 2014 and December 31, 2013)	(375,663)	(375,663)
Total stockholders' equity	1,366,180	1,243,893
Total liabilities and stockholders' equity	$ 4,036,717	$ 3,932,235