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Accounting Policies - Additional Information (Detail) - USD ($) $ in Thousands | 3 Months Ended
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Apr. 02, 2017 | Apr. 03, 2016
New Accounting Pronouncements or Change in Accounting Principle |  |
Income tax provision (benefit) | $ 6,795 | $ 7,206
ASU 2016-09 |  |
New Accounting Pronouncements or Change in Accounting Principle |  |
Cumulative effect adjustment to increase retained earnings and deferred tax assets | 39,000 |
Income tax provision (benefit) | $ (5,200) |

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