Segment Information - Property Plant and Equipment (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Apr. 02, 2017
Segment Reporting Information [Line Items]
Property, plant and equipment, net	$ 86,636	$ 80,961
United States
Segment Reporting Information [Line Items]
Property, plant and equipment, net	39,930	37,996
Malaysia
Segment Reporting Information [Line Items]
Property, plant and equipment, net	29,594	24,386
Germany
Segment Reporting Information [Line Items]
Property, plant and equipment, net	10,154	12,477
All other countries
Segment Reporting Information [Line Items]
Property, plant and equipment, net	$ 6,958	$ 6,102