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Supplemental Disclosure of Cash Flow Information (Detail) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 30, 2016 | Jan. 01, 2016 | Jan. 02, 2015
Cash paid during the year: |  |  |
Income taxes | $ 22,280 | $ 24,651 | $ 27,421
Non-cash investing and financing activities: |  |  |
Unrealized gain (loss) on Investments | (81) | (79) | 4
Vested stock unit awards granted to settle accrued bonus | 6,334 | 6,169 | 6,008
Accrual for capital expenditures | $ 284 | $ 321 | $ 0

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