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Stockholders' Equity - Amounts Reclassed from AOCI (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2016 | Jan. 02, 2016 | Jan. 03, 2015
Amounts Reclassified from AOCI |  |  |
Interest expense | $ (2,587) | $ (2,828) | $ (3,154)
Interest income | 1,291 | 730 | 1,007
Income before income taxes | 64,496 | 30,263 | 49,040
Income tax benefit | (3,002) | (677) | (11,019)
Net income | 61,494 | 29,586 | 38,021
Net changes to available-for-sale securities: |  |  |
Unrealized gains (losses) arising during the period | 63 | 149 | (387)
Reclassification for losses included in net income |  | (4) |
Net changes to cash flow hedges: |  |  |
Unrealized gains (losses) arising during the period | (513) | 255 | 279
Reclassification for losses included in net income | (87) | (171) | (216)
Other comprehensive income | (537) | 229 | (324)
Reclassifications From Accumulated Other Comprehensive Loss |  |  |
Amounts Reclassified from AOCI |  |  |
Income before income taxes | (249) | (499) | (618)
Income tax benefit | 87 | 175 | 216
Net income | (162) | (324) | (402)
Unrealized Gain on Cash Flow Hedge | Reclassifications From Accumulated Other Comprehensive Loss |  |  |
Amounts Reclassified from AOCI |  |  |
Interest expense | $ (249) | (489) | $ (618)
Net Unrealized Losses on Available-For-Sale Securities | Reclassifications From Accumulated Other Comprehensive Loss |  |  |
Amounts Reclassified from AOCI |  |  |
Interest income |  | $ (10) |

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