Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) - $ / shares	Jun. 29, 2016	Dec. 30, 2015
Statement Of Financial Position [Abstract]
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, shares authorized	100,000,000	100,000,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	200,000,000	200,000,000
Common stock, shares issued	38,419,933	38,284,435
Common stock, shares outstanding	38,419,933	38,284,435