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CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (Parenthetical) - shares
12 Months Ended
Dec. 27, 2015
Dec. 28, 2014
Dec. 29, 2013
Statement of Stockholders' Equity [Abstract]      
Stock options, shares 341,362 169,286 914,272
Stock conversions, shares 0 1,426 324
Restricted stock unit vested, shares 233,901 241,607 104,054
401(k) - Company stock match, shares 0 0 303,066
Performance-based awards, shares 87,134    
Warrants, shares 15,900,000    
Shares repurchased, shares 5,511,233