Property, Plant and Equipment (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2018	Apr. 01, 2017	Apr. 02, 2016
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 105,184	$ 133,694
Less accumulated depreciation	(83,159)	(112,075)
Property, plant and equipment, net	22,025	21,619
Depreciation and amortization	$ 5,900	6,900	$ 6,800
Document Period End Date	Mar. 31, 2018
Restructuring and Related Cost, Accelerated Depreciation	$ 1,700
Land
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	2,152	2,152
Buildings and improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 38,467	36,204
Estimated useful lives	18 years
Machinery and equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 41,889	59,099
Estimated useful lives	5 years
Computer equipment and software
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 22,676	$ 36,239
Estimated useful lives	5 years