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INCOME TAXES INCOME TAXES - Unrecognized Tax Benefits Roll Forward (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 25, 2015
Dec. 26, 2014
Dec. 27, 2013
Dec. 28, 2012
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]        
Balance, beginning of fiscal year $ 2,195 $ 2,039 $ 2,035  
Increases for tax positions related to the current year 436 389 402  
Reductions due to lapsed statute of limitations (280) (385) (251)  
Balance, end of fiscal year $ 2,195 $ 2,039 $ 2,035 $ 1,884