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Goodwill and Intangible Assets - Finite Lived Intangibles Acquired (Details) - USD ($) $ in Thousands |  | 12 Months Ended
--- | --- | ---
Oct. 28, 2020 | Dec. 31, 2020 | Dec. 31, 2019
Trade names |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Weighted-Average Amortization Period |  | 10 years | 10 years 2 months 12 days
Fair Value |  | $ 67,670 |
Customer relationships |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Weighted-Average Amortization Period |  | 8 years | 8 years 6 months
Fair Value |  | $ 222,582 |
Other |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Weighted-Average Amortization Period |  | 4 years 3 months 18 days | 4 years 3 months 18 days
Fair Value |  | $ 56,802 |
Fiscal 2020 Acquisitions |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Fair Value |  | $ 347,054 |
Fiscal 2020 Acquisitions | Trade names |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Weighted-Average Amortization Period |  | 9 years 8 months 12 days |
Fair Value |  | $ 67,670 |
Fiscal 2020 Acquisitions | Customer relationships |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Weighted-Average Amortization Period |  | 6 years 10 months 24 days |
Fair Value |  | $ 222,582 |
Fiscal 2020 Acquisitions | Other |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Weighted-Average Amortization Period |  | 3 years 3 months 18 days |
Fair Value |  | $ 56,802 |
RetailMeNot, Inc. |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Fair Value |  | 304,390 |
RetailMeNot, Inc. | Trade names |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Weighted-Average Amortization Period | 10 years |  |
Fair Value |  | 62,940 |
RetailMeNot, Inc. | Customer relationships |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Weighted-Average Amortization Period | 7 years |  |
Fair Value |  | 198,840 |
RetailMeNot, Inc. | Other |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Weighted-Average Amortization Period | 3 years |  |
Fair Value |  | $ 42,610 |

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- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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