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Stock Compensation Plans and Stock Based Compensation (Details 4) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Jan. 02, 2016
Jan. 03, 2015
Intrinsic Value And Cash Received From Stock Options Exercised      
Intrinsic value of options exercised $ 44,835 $ 67,363 $ 24,032
Cash received from options exercised $ 30,984 $ 52,261 $ 46,123