Earnings Per Share - Computation of Basic and Diluted Earnings Per Common Share (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Jun. 27, 2020	Jun. 29, 2019
Numerator:
Net income	$ 11,903	$ 17,380
Undistributed earnings allocated to participating securities	(30)	(89)
Net income attributable to the Company's common shareholders	$ 11,873	$ 17,291
Denominator:
Basic weighted-average shares outstanding	56,532	56,368
Dilutive securities	229	267
Diluted weighted-average shares outstanding	56,761	56,635
Basic	$ 0.21	$ 0.31
Diluted	$ 0.21	$ 0.31