CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares	Dec. 30, 2017	Dec. 31, 2016
Statement of Financial Position [Abstract]
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	123,895,000	121,645,000
Common stock, shares outstanding	123,895,000	121,645,000