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Income Taxes - Additional Information (Detail) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 30, 2019 | Mar. 31, 2018
Income Tax [Line Items] |  |
Effective income tax rate | 24.30% | 26.20%
Tax Cuts And Jobs Act Of 2017, incomplete accounting, increase (decrease) in provisional income tax expense |  | $ 2.6
Tax Cuts And Jobs Act Of 2017, incomplete accounting, increase in provisional income tax rate, basis points |  | 120.00%
Minimum |  |
Income Tax [Line Items] |  |
Decrease in unrecognized tax benefits | $ 0.0 |
Increase in unrecognized tax benefits | 0.0 |
Maximum |  |
Income Tax [Line Items] |  |
Decrease in unrecognized tax benefits | 2.4 |
Increase in unrecognized tax benefits | $ 1.0 |

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