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Income Taxes - Additional Information (Detail) - USD ($) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Income Tax Contingency [Line Items] |  |  |  |
Income Tax Benefit | $ (1,600,000) |  | $ (11,800,000) |
Repatriation of foreign earnings |  |  | 10,400,000 |
Income tax benefit from remeasurement of net deferred tax liabilities |  |  | 1,400,000 |
Cash tax obligation | 35,900,000 |  |  |
Cash tax obligation, current | 0 |  |  |
Repatriated amount | 482,000,000.0 |  |  |
Undistributed Earnings | 411,000,000.0 | $ 714,000,000.0 |  |
Net operating loss carryforwards | 26,800,000 |  |  |
Operating loss carryforwards | 14,500,000 |  |  |
Tax benefits related to tax credit carryforwards | 10,900,000 |  |  |
Valuation allowance | 1,200,000 |  |  |
Acquired Loss And Carry Forwards | 1,200,000 |  |  |
Gross unrecognized tax benefits | 100,700,000 | 109,100,000 | 119,300,000 | $ 60,300,000
The total amount of unrecognized tax benefits that would impact tax rate, if recognized | 60,600,000 | 65,900,000 |  |
Interest and penalties accrued related to uncertain tax positions | 11,600,000 | 14,200,000 |  |
Expense (Benefit) of interest and penalties | $ 2,600,000 | 200,000 | $ 8,900,000 |
Portion of tax liability incurred in domestic country | 73.00% |  |  |
Period between open tax years subject to tax audit | three and six years |  |  |
Additions of tax, interest and penalties related to uncertain tax positions | $ 24,300,000 | 25,400,000 |  |
Tax and interest related to statute expirations and settlement of prior uncertain positions reversed | 35,300,000 | 35,400,000 |  |
Amount of tax, interest and penalties classified as a noncurrent liability | 110,700,000 |  |  |
Increase of income tax expense | 4,800,000 |  |  |
Increase (Decrease) In Deferred Liabilities | (8,400,000) |  |  |
Federal |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |
Tax credit carryforwards | 3,400,000 |  |  |
Tax credit carryforwards valuation allowance | 1,200,000 |  |  |
Foreign |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |
Deferred Income Tax Assets Net | 10,700,000 | $ 13,000,000.0 |  |
Operating loss carryforwards valuation allowance | 2,000,000.0 |  |  |
State and Local Jurisdiction |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |
Operating loss carryforwards | 10,700,000 |  |  |
Tax credit carryforwards | $ 7,500,000 |  |  |

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