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SIGNIFICANT ACCOUNTING POLICIES (Details 4) (Anti-dilutive stock options, restricted stock units and restricted stock)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 28, 2014
Sep. 29, 2013
Sep. 28, 2014
Sep. 29, 2013
Anti-dilutive stock options, restricted stock units and restricted stock
       
Weighted average anti-dilutive stock options        
Anti-dilutive stock options (in shares) 2,874 4,990 1,581 4,936