Other Business Combinations - Summary of Estimated Fair Values of Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Nov. 19, 2021	Oct. 01, 2021	Nov. 24, 2020
Assets
Goodwill	$ 7,350,494		$ 7,197,000
BlackLynx
Assets
Cash and cash equivalents		$ 5,100
Receivables		7,700
Property, equipment and improvements, net		800
Goodwill		158,500
Identifiable intangible assets		103,500
Prepaid expenses and other current assets		3,200
Total Assets		278,800
Liabilities
Accounts payable		19,500
Other long term liabilities		23,100
Total Liabilities		42,600
Net assets acquired		$ 236,200
Buffalo Group
Assets
Cash and cash equivalents				$ 8,400
Receivables				19,200
Property, equipment and improvements, net				2,300
Goodwill				130,700
Identifiable intangible assets				74,000
Prepaid expenses and other current assets				6,200
Total Assets				240,800
Liabilities
Accounts payable				46,900
Other long term liabilities				3,800
Total Liabilities				50,700
Net assets acquired				$ 190,100