Income (Loss) Per Share - Numerators and Denominators of Basic and Diluted Net Income (Loss) Per Share Computations (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Apr. 01, 2016	Apr. 03, 2015
Numerator:
Net loss	$ (25,180)	$ (2,657)
Denominator:
Basic and diluted	76,996	88,655
Net loss per share:
Basic and diluted	$ (0.33)	$ (0.03)