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Supplemental Disclosure of Cash Flow Information (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Jan. 01, 2016 | Jan. 02, 2015 | Jan. 03, 2014
Cash paid during period: |  |  |
Income taxes | $ 24,651 | $ 27,421 | $ 24,701
Non-cash investing and financing activities: |  |  |
Unrealized gain (loss) on investments | (79) | 4 | (14)
Vested stock unit awards granted to settle accrued bonus | 6,169 | 6,008 | 5,807
Accrual for capital expenditures | $ 321 | $ 0 | $ 0

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