Business Acquisitions - Allocation of Aggregate Purchase Consideration (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Jun. 04, 2021
Business Acquisition [Line Items]
Goodwill	$ 1,546,065	$ 1,591,474	$ 1,531,455
Fiscal 2022 Acquisitions
Business Acquisition [Line Items]
Accounts receivable		7,433
Prepaid expenses and other current assets		4,915
Property and equipment		369
Operating lease right-of-use assets, noncurrent		545
Goodwill		95,737
Other long-term assets		11
Accounts payable and accrued expenses		(6,221)
Deferred revenue		(21,474)
Deferred tax liability		(10,140)
Other long-term liabilities		(516)
Total		121,704
Fiscal 2022 Acquisitions | Trade names
Business Acquisition [Line Items]
Finite-lived intangibles		12,839
Fiscal 2022 Acquisitions | Customer relationships
Business Acquisition [Line Items]
Finite-lived intangibles		20,040
Fiscal 2022 Acquisitions | Other intangibles
Business Acquisition [Line Items]
Finite-lived intangibles		$ 18,166
Fiscal 2021 Acquisitions
Business Acquisition [Line Items]
Accounts receivable			9,513
Prepaid expenses and other current assets			1,655
Property and equipment			2,188
Operating lease right-of-use assets, noncurrent			5,888
Goodwill			97,032
Other long-term assets			62
Deferred tax asset			230
Accounts payable and accrued expenses			(5,863)
Deferred revenue			(9,491)
Operating lease liabilities, current			(7,191)
Other current liabilities			(14)
Deferred tax liability			(9,237)
Other long-term liabilities			(1,511)
Total			160,449
Fiscal 2021 Acquisitions | Trade names
Business Acquisition [Line Items]
Finite-lived intangibles			16,349
Fiscal 2021 Acquisitions | Customer relationships
Business Acquisition [Line Items]
Finite-lived intangibles			21,945
Fiscal 2021 Acquisitions | Other intangibles
Business Acquisition [Line Items]
Finite-lived intangibles			38,894
SEOmoz Acquisition
Business Acquisition [Line Items]
Accounts receivable				$ 3,278
Prepaid expenses and other current assets				1,547
Property and equipment				1,845
Operating lease right-of-use assets, noncurrent				5,888
Goodwill			$ 41,300	41,329
Other long-term assets				62
Accounts payable and accrued expenses				(2,655)
Deferred revenue				(6,398)
Operating lease liabilities, current				(7,191)
Other current liabilities				(14)
Deferred tax liability				(5,327)
Other long-term liabilities				(550)
Total				66,997
SEOmoz Acquisition | Trade names
Business Acquisition [Line Items]
Finite-lived intangibles				7,406
SEOmoz Acquisition | Customer relationships
Business Acquisition [Line Items]
Finite-lived intangibles				5,000
SEOmoz Acquisition | Other intangibles
Business Acquisition [Line Items]
Finite-lived intangibles				$ 22,777