XML 108 R89.htm IDEA: XBRL DOCUMENT v3.3.1.900
Stock-based and Deferred Compensation Plans (Restricted Stock Compensation) (Details) - Restricted stock and restricted stock units [Member] - USD ($)
$ in Thousands
12 Months Ended
Dec. 27, 2015
Dec. 28, 2014
Dec. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Fair value of restricted stock vested $ 5,339 $ 2,680 $ 1,597
Tax benefits for stock option compensation expense 2,303 $ 1,298 $ 817
Unrecognized restricted stock expense $ 18,638    
Remaining weighted-average vesting period 2 years 10 months 1 day