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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

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