Net Income Per Share - Computation of Basic and Diluted Net Income Per Share (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Jul. 03, 2016	Jun. 28, 2015
Earnings Per Share [Abstract]
Net income	$ 18,283	$ 2,556
Shares:
Weighted-average shares outstanding — basic	83,431	87,334
Dilutive potential common shares, using treasury stock method	1,111	1,580
Weighted-average shares outstanding — diluted	84,542	88,914
Net income per share:
Basic	$ 0.22	$ 0.03
Diluted	$ 0.22	$ 0.03