Accrued Liabilities (Details) - USD ($) $ in Thousands	Dec. 29, 2018	Mar. 31, 2018
Disclosure Accrued Liabilities [Abstract]
Payroll-related liabilities	$ 8,880	$ 15,879
Product Warranty Accrual, Current	5,387	4,646
Customer Deposits, Current	1,051	2,214
Purchase order commitments and receipts	2,136	2,978
Accrued Income Taxes, Current	648	1,152
Long-term Debt, Current Maturities	437	421
Other	6,948	7,243
Accrued liabilities	$ 25,487	$ 34,533