Consolidated Balance Sheets - USD ($) $ in Thousands		Dec. 31, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents		$ 1,520,027	$ 934,900
Restricted cash		730,668	541,719
Accounts and other receivables (less allowance for credit losses of $98,719 at December 31, 2021 and $86,886 at December 31, 2020)		1,793,274	1,366,775
Securitized accounts receivable—restricted for securitization investors		1,118,000	700,000
Prepaid expenses and other current assets		326,079	412,924
Total current assets		5,488,048	3,956,318
Property and equipment, net		236,294	202,509
Goodwill		5,078,978	4,719,181
Other intangibles, net		2,335,385	2,115,882
Investments		52,016	7,480
Other assets		213,932	193,209
Total assets		13,404,653	11,194,579
Current liabilities:
Accounts payable		1,406,350	1,054,478
Accrued expenses		369,054	282,681
Customer deposits		1,788,705	1,175,322
Securitization facility		1,118,000	700,000
Current portion of notes payable and lines of credit		399,628	505,697
Other current liabilities		208,614	250,133
Total current liabilities		5,290,351	3,968,311
Notes payable and other obligations, less current portion	[1]	4,460,039	3,097,580
Deferred income taxes		566,291	498,154
Other noncurrent liabilities	[1]	221,392	275,123
Total noncurrent liabilities		5,247,722	3,870,857
Commitments and contingencies (Note 15)
Stockholders’ equity:
Common stock, $0.001 par value; 475,000,000 shares authorized; 127,113,023 shares issued and 78,879,551 shares outstanding at December 31, 2021; and 126,448,078 shares issued and 83,666,163 shares outstanding at December 31, 2020		127	126
Additional paid-in capital		2,878,751	2,749,900
Retained earnings		6,256,442	5,416,945
Accumulated other comprehensive loss		(1,464,616)	(1,363,158)
Less treasury stock (48,233,471 shares and 42,781,915 shares at December 31, 2021 and 2020, respectively)		(4,804,124)	(3,448,402)
Total stockholders’ equity		2,866,580	3,355,411
Total liabilities and stockholders’ equity		$ 13,404,653	$ 11,194,579

[1] 1Recast 2020 to reflect long term deferred revenue in other noncurrent liabilities, to conform to current year presentation.