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Employee Benefit Plans - Additional Information (Details) $ in Millions | 12 Months Ended
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Dec. 31, 2016 USD ($) pension_plan | Dec. 31, 2015 USD ($) | Dec. 31, 2014 USD ($)
Defined Benefit Plan Disclosure [Line Items] |  |  |
Defined contribution plan expense | $ 6.9 | $ 5.7 | $ 5.5
Document Fiscal Year Focus | 2016 |  |
Number of defined benefit pension plans | pension_plan | 3 |  |
Actuarial losses arising during period, net of tax | $ 5.6 | 0.6 | 4.5
Foreign Pension Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Expected future amortization of gain (loss) | 0.5 |  |
Amortization of recognized actuarial loss | 0.3 | $ 0.4 | $ 0.2
Non-Qualified Supplemental Retirement Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Actuarial losses arising during period, before tax | 0.1 |  |
Actuarial losses arising during period, net of tax | 0.1 |  |
Amortization of recognized actuarial loss | 0.2 |  |
Amortization of gains (losses), net of tax | $ 0.1 |  |

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