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Business and Significant Accounting Policies - Additional Information (Details) $ in Thousands |  | 12 Months Ended |  |
--- | --- | --- | --- | ---
Apr. 01, 2018 USD ($) | Dec. 31, 2020 USD ($) segment company country | Dec. 31, 2019 USD ($) | Dec. 31, 2018 USD ($) | Jan. 01, 2018 USD ($) | Dec. 31, 2017 USD ($)
Business and Significant Accounting Policies [Line Items] |  |  |  |  |  |
Number of enterprises served | company |  | 14,000 |  |  |  |
Number of countries in which entity operates | country |  | 100 |  |  |  |
Number of reportable segments | segment |  | 3 |  |  |  |
Proceeds from the sale of an equity security |  | $ 0 | $ 14,120 | $ 0 |  |
Gain on sale of minority equity investment |  | 0 | 9,120 | 0 |  |
Stockholders' equity attributable to parent |  | (1,090,428) | (938,593) | (850,757) |  | $ (983,465)
Income tax benefit |  | (59,388) | (42,449) | (58,665) |  |
Depreciation expense |  | 93,925 | 82,066 | 68,592 |  |
Net capitalized development costs for internal use software |  | 58,200 | 55,700 |  |  |
Amortization of capitalized internal software development costs |  | 28,900 | 20,000 | 13,200 |  |
Foreign currency transaction gain (loss) |  | 12,500 | (1,100) | 9,200 |  |
Derivative instruments, gain (loss) recognized in income, net |  | (47,180) | 873 | (8,445) |  |
Accounting Standards Update 2016-16 |  |  |  |  |  |
Business and Significant Accounting Policies [Line Items] |  |  |  |  |  |
Income tax benefit |  | 28,300 | 38,100 | 6,800 |  |
Foreign currency exchange contracts |  |  |  |  |  |
Business and Significant Accounting Policies [Line Items] |  |  |  |  |  |
Derivative instruments, gain (loss) recognized in income, net |  | (14,100) | (2,500) | (10,400) |  |
Accumulated Other Comprehensive (Loss) Income, Net |  |  |  |  |  |
Business and Significant Accounting Policies [Line Items] |  |  |  |  |  |
Reclassification from AOCI to retained earnings, tax effect | $ 600 |  |  |  |  |
Stockholders' equity attributable to parent |  | 99,228 | 77,938 | 39,867 |  | (1,508)
Accumulated Earnings |  |  |  |  |  |
Business and Significant Accounting Policies [Line Items] |  |  |  |  |  |
Reclassification from AOCI to retained earnings, tax effect | $ 600 |  |  |  |  |
Stockholders' equity attributable to parent |  | $ (2,255,467) | $ (1,988,722) | $ (1,755,432) |  | (1,647,284)
Cumulative Effect, Period of Adoption, Adjustment | Accounting Standards Update 2016-16 |  |  |  |  |  |
Business and Significant Accounting Policies [Line Items] |  |  |  |  |  |
Stockholders' equity attributable to parent |  |  |  |  | $ 13,700 | 13,717
Cumulative Effect, Period of Adoption, Adjustment | Accumulated Earnings | Accounting Standards Update 2016-16 |  |  |  |  |  |
Business and Significant Accounting Policies [Line Items] |  |  |  |  |  |
Stockholders' equity attributable to parent |  |  |  |  |  | $ 13,717

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