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Stock Compensation Plans and Stock Based Compensation (Details 7) - USD ($)
$ in Thousands
12 Months Ended
Dec. 30, 2017
Dec. 31, 2016
Jan. 02, 2016
Restricted stock [Member]      
Fair value of restricted stock awards that vested      
Fair value of restricted stock realized upon vesting $ 174,548 $ 113,114 $ 99,564