Property Plant, and Equipment - Summary of Components of Property, Plant, and Equipment (Detail) - USD ($) $ in Thousands	Dec. 26, 2020	Mar. 28, 2020
Property, Plant and Equipment [Line Items]
Property, plant and equipment, at cost	$ 179,025	$ 175,603
Less: accumulated depreciation	(75,199)	(66,312)
Property, plant, and equipment, net	103,826	109,291
Land and Improvements [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, at cost	35,525	35,332
Building and Improvements [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, at cost	87,096	87,222
Machinery and Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, at cost	54,423	51,239
Construction in Progress [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, at cost	$ 1,981	$ 1,810