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Income Taxes - Unrecognized Tax Benefits (Details) - USD ($)
$ in Thousands
12 Months Ended
Jan. 03, 2016
Dec. 28, 2014
Dec. 29, 2013
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]      
Balance at beginning of period $ 1,882 $ 2,598 $ 2,923
Additions for tax positions taken in the current year 214 168 223
Increases for tax positions taken in prior years 1,581 613 463
Decreases for tax positions taken in prior years (184) (421) (422)
Settlement with tax authorities 79 (114) (283)
Expiration of statute of limitations (284) (962) (306)
Balance at end of period $ 3,288 $ 1,882 $ 2,598