Consolidated Balance Sheets Parentheticals - USD ($) $ in Thousands	Dec. 31, 2016	Jan. 02, 2016
Statement of Financial Position [Abstract]
Accumulated Depreciation	$ 134,786	$ 118,943
Preferred stock, par value per share (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized	10,000,000	10,000,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, par value per share (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized	300,000,000	300,000,000
Common stock, shares issued	121,645,000	118,651,000
Common stock, shares outstanding	121,645,000	118,651,000