Property, Plant and Equipment (Details) - USD ($) $ in Thousands	Sep. 28, 2019	Mar. 30, 2019
Property, plant and equipment
Property, plant and equipment, at cost	$ 100,451	$ 91,388
Accumulated depreciation	(30,252)	(27,904)
Property, plant and equipment, net	70,199	63,484
Land
Property, plant and equipment
Property, plant and equipment, at cost	21,723	21,359
Buildings and improvements
Property, plant and equipment
Property, plant and equipment, at cost	49,972	42,976
Machinery and equipment
Property, plant and equipment
Property, plant and equipment, at cost	$ 28,756	$ 27,053