Acquisitions - Summary of Purchase Price Allocation (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021	Sep. 01, 2021	Jun. 01, 2021	Jan. 13, 2021
Business Acquisition [Line Items]
Goodwill	$ 5,068,954	$ 5,078,978
ALE Solutions, Inc.
Business Acquisition [Line Items]
Trade and other receivables			$ 178,396
Prepaid expenses and other current assets			2,555
Other assets			10,121
Goodwill			136,471
Intangibles			175,800
Accounts payable and accrued expenses			(31,048)
Other current liabilities			(38,866)
Other noncurrent liabilities			(11,596)
Aggregate purchase price			$ 421,833
Associated Foreign Exchange
Business Acquisition [Line Items]
Trade and other receivables				$ 8,159
Prepaid expenses and other current assets				108,402
Property, plant and equipment				1,723
Other assets				51,074
Goodwill				257,332
Intangibles				237,900
Accounts payable and accrued expenses				(40,164)
Other current liabilities				(81,430)
Other noncurrent liabilities				(97,855)
Customer deposits				(375,049)
Aggregate purchase price				$ 70,092
Roger
Business Acquisition [Line Items]
Trade and other receivables					$ 110
Prepaid expenses and other current assets					37
Other assets					28
Goodwill					34,359
Intangibles					5,400
Current liabilities					(925)
Deferred income taxes					(6)
Aggregate purchase price					$ 39,003
Levarti, Accrualify, And Plugsurfing
Business Acquisition [Line Items]
Trade and other receivables	5,547
Prepaid expenses and other current assets	14,810
Other assets	4,598
Goodwill	104,377
Intangibles	52,364
Other current liabilities	(18,006)
Other noncurrent liabilities	(22,919)
Aggregate purchase price	$ 140,771