Accrued Liabilities (Details) - USD ($) $ in Thousands	Jul. 02, 2016	Apr. 02, 2016
Disclosure Accrued Liabilities [Abstract]
Product Warranty Accrual, Current	$ 4,103	$ 3,666
Payroll-related liabilities	3,919	5,717
Purchase order commitments and receipts	1,485	2,588
Customer Deposits, Current	1,436	1,731
Accrued Professional Fees, Current	980	1,052
Restructuring Reserve	460	757
Other	2,641	2,823
Accrued liabilities	15,024	18,334
Payables and Accruals [Abstract]
Deferred Compensation Liability, Classified, Noncurrent	2,790	2,504
Product Warranty Accrual, Noncurrent	1,844	2,068
Other Sundry Liabilities, Noncurrent	3,042	3,229
Liabilities, Other than Long-term Debt, Noncurrent	$ 7,676	$ 7,801