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Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands | 3 Months Ended
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Apr. 03, 2016 | Apr. 05, 2015
Statement of Comprehensive Income [Abstract] |  |
Net income | $ 14,885 | $ 20,502
Cash flow hedges: |  |
Net unrealized gain (loss), net of tax of ($82) and ($73) in 2016 and 2015, respectively | (585) | (520)
Reclassification of net realized (gain) loss into current operations | 4 | 110
Net change related to cash flow hedges | (581) | (410)
Available-for-sale investments: |  |
Net unrealized gain (loss), net of tax of $267 and $134 in 2016 and 2015, respectively | 1,281 | 899
Reclassification of net realized (gain) loss into current operations | 13 | (29)
Net change related to available-for-sale investments | 1,294 | 870
Foreign currency translation adjustments: |  |
Foreign currency translation adjustments, net of tax of $329 and ($636) in 2016 and 2015, respectively | 5,160 | (10,690)
Other comprehensive income (loss), net of tax | 5,873 | (10,230)
Total comprehensive income | $ 20,758 | $ 10,272

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