Accrued Liabilities (Details) - USD ($) $ in Thousands	Sep. 29, 2018	Mar. 31, 2018
Disclosure Accrued Liabilities [Abstract]
Payroll-related liabilities	$ 8,579	$ 15,879
Product Warranty Accrual, Current	5,667	4,646
Customer Deposits, Current	1,075	2,214
Purchase order commitments and receipts	2,904	2,978
Accrued Income Taxes, Current	4,090	1,152
Long-term Debt, Current Maturities	432	421
Other	5,683	7,243
Accrued liabilities	$ 28,430	$ 34,533