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Income Taxes - Additional Information (Detail) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2015 | Dec. 31, 2017
Income Tax Contingency [Line Items] |  |  |  |  |
Unrecognized tax benefits would impact effective tax rate if recognized | $ 16.0 |  |  |  |
Unrecognized tax benefit | 16.0 | $ 16.4 | $ 14.0 |  | $ 2.5
Income tax interest expense | 0.2 |  |  |  |
Increase in uncertain tax positions | $ 1.0 | 2.4 | 12.1 |  |
Income tax examination, description | The Company and its U.S. subsidiaries remain open to examination by the IRS for years 2017 onwards under the statute of limitations. The Company’s subsidiaries in foreign tax jurisdictions are open to examination including Spain (2016 onwards), France (2017 onwards), Germany (2018 onwards), Switzerland (2018 onwards) and the U.K. (2018 onwards). |  |  |  |
Cash payments for income taxes | $ 23.4 | 37.6 | 35.4 |  |
Increase to income tax expense | 0.7 |  |  |  |
Operating loss carry forwards | 67.1 |  |  |  |
Operating loss carryforward without expiration | 1.3 |  |  |  |
Deferred tax assets valuation allowance | 1.1 | 0.8 |  |  |
Deferred tax assets operating loss carry forwards net of valuation allowance | 8.7 |  |  |  |
Operating Loss Carryforwards expected to relieved | 24.4 |  |  |  |
Foreign exchange movements | 0.2 |  |  |  |
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount | 2.7 |  |  |  |
Income Tax Reconciliation Innovation Incentive Amount | 4.0 |  |  |  |
Interest and Penalties [Member] |  |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |  |
Unrecognized tax benefit | 2.4 | 2.0 | 0.6 |  | $ 0.3
Increase in uncertain tax positions | 0.6 | $ 1.4 | $ 0.4 |  |
Italian Tax Authorities [Member] |  |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |  |
Unrecognized tax benefit | 3.4 |  |  |  |
State [Member] |  |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |  |
Operating loss carry forwards | 10.7 |  |  |  |
Foreign [Member] |  |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |  |
Operating loss carry forwards | 30.6 |  |  |  |
United States [Member] |  |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |  |
Unrecognized tax benefit | 12.4 |  |  |  |
Operating loss carry forwards | $ 36.5 |  |  |  |
Non-US [Member] | Earliest Tax Year [Member] |  |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |  |
Open tax year | 2011 |  |  |  |
Non-US [Member] | Latest Tax Year [Member] |  |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |  |
Open tax year | 2014 |  |  |  |
Non-US [Member] | Historical Impairment Of Subsidiaries [Member] |  |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |  |
Increase in uncertain tax positions |  |  |  | $ 1.2 |
Decrease in uncertain tax positions | $ 1.2 |  |  |  |
Other Non Significant Items Inclusive Of Interest And Penalties | 0.2 |  |  |  |
Non-US [Member] | Historical Impairment Of Subsidiaries [Member] | Interest and Penalties [Member] |  |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |  |
Increase to income tax expense | $ 0.2 |  |  |  |

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