Accrued Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Apr. 02, 2016
Disclosure Accrued Liabilities [Abstract]
Payroll-related liabilities	$ 4,860	$ 5,717
Product Warranty Accrual, Current	4,136	3,666
Customer Deposits, Current	2,364	1,731
Purchase order commitments and receipts	1,256	2,588
Accrued Professional Fees, Current	914	1,052
Restructuring Reserve	620	757
Other	1,865	2,823
Accrued liabilities	16,015	18,334
Payables and Accruals [Abstract]
Deferred Compensation Liability, Classified, Noncurrent	3,101	2,504
Product Warranty Accrual, Noncurrent	775	2,068
Other Sundry Liabilities, Noncurrent	2,209	3,229
Liabilities, Other than Long-term Debt, Noncurrent	$ 6,085	$ 7,801