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Supplemental Cash Flow Information (Detail) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jul. 03, 2020 | Apr. 03, 2020 | Jun. 28, 2019 | Mar. 29, 2019 | Jul. 03, 2020 | Jun. 28, 2019
Cash paid during period: |  |  |  |  |  |
Income taxes |  |  |  |  | $ 7,556 | $ 5,972
Non-cash investing and financing activities: |  |  |  |  |  |
Unrealized gain (loss) on short-term investments | $ (211) | $ 168 | $ 249 | $ 154 | (43) | 403
Vested stock unit awards issued to settle accrued bonuses |  |  |  |  | 8,645 | 7,947
Accrual for capital expenditures as of period end |  |  |  |  | 216 | 1,978
Right-of-use asset obtained in exchange for operating lease obligations |  |  |  |  | $ 492 | $ 26,152

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