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v3.20.4

Basis of Presentation and Summary of Significant Accounting Policies (Details) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2020 USD ($) business segment | Dec. 31, 2019 USD ($) | Dec. 31, 2018 USD ($) | Jun. 10, 2014
Net translation foreign currency translation (loss)/gain | $ (8,902,000) | $ (1,626,000) | $ (15,471,000) |
Foreign exchange realized gains (losses) | 28,500,000 | (4,000,000.0) | (2,300,000) |
Impairment of long-lived assets to be disposed of |  | 0 | 0 |
Impairment of goodwill and intangible assets | $ 0 | 0 | 0 |
Number of businesses | business | 2 |  |  |
Number of reportable segments | segment | 3 |  |  |
Advertising costs incurred | $ 163,700,000 | 158,200,000 | 149,700,000 |
COVID-19 |  |  |  |
Impairment of goodwill and intangible assets | 0 | $ 0 | $ 0 |
Backup |  |  |  |
Impairment of goodwill and intangible assets | $ 0 |  |  |
Minimum |  |  |  |
Weighted-Average Amortization Period | 1 year |  |  |
Maximum |  |  |  |
Weighted-Average Amortization Period | 20 years |  |  |
Equipment | Minimum |  |  |  |
Estimated useful lives of property and equipment | 1 year |  |  |
Equipment | Maximum |  |  |  |
Estimated useful lives of property and equipment | 10 years |  |  |
Software and Software Development Costs | Minimum |  |  |  |
Estimated useful lives of property and equipment | 1 year |  |  |
Software and Software Development Costs | Maximum |  |  |  |
Estimated useful lives of property and equipment | 5 years |  |  |
3.25% Convertible Notes | Convertible Debt |  |  |  |
Stated interest rate |  |  |  | 3.25%

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