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Income Taxes - Additional Information (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Income Tax [Line Items] |  |  |
Pretax income of non-United States operations | $ 416.6 | $ 551.0 | $ 514.9
Unremitted earnings of non-United States subsidiaries that are considered to be permanently invested | 371.5 |  |
Unremitted earnings of non-United States subsidiaries that may be remitted | 1,867.0 |  |
Deferred tax liability, undistributed foreign earnings | 8.8 | 15.3 |
Deferred tax asset on net operating losses | 89.5 | 100.5 |
Valuation allowance, net operating losses | 72.7 |  |
Gross unrecognized tax benefits | 69.5 | 34.2 | 66.5
Increase to unrecognized tax benefits | 32.0 |  |
Interest and penalties related to unrecognized tax benefits | $ 1.6 | $ (18.4) | $ 0.2
Earliest Tax Year |  |  |
Income Tax [Line Items] |  |  |
Income tax examination year under examination | 2012 |  |
Latest Tax Year |  |  |
Income Tax [Line Items] |  |  |
Income tax examination year under examination | 2019 |  |
United States |  |  |
Income Tax [Line Items] |  |  |
U.S. Federal statutory rate (as percent) | 21.00% | 21.00% | 35.00%
United States Federal and Non-United States |  |  |
Income Tax [Line Items] |  |  |
Net operating loss carryforwards | $ 399.4 |  |
United States State |  |  |
Income Tax [Line Items] |  |  |
Net operating loss carryforwards | $ 169.2 |  |

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