Summary of Significant Accounting Policies Net Income Per Share (Details) - USD ($) shares in Thousands	12 Months Ended
	Dec. 31, 2016	Jan. 02, 2016	Jan. 03, 2015
Accounting Policies [Abstract]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	500	600	700
Weighted Average Number Diluted Shares Outstanding Adjustment	95	105	164
Dilutive Securities, Effect on Basic Earnings Per Share, Including Options and Restrictive Stock Units	$ 0.00	$ 0.00	$ 0.00