Accrued Liabilities (Details) - USD ($) $ in Thousands	Mar. 28, 2015	Mar. 29, 2014	Mar. 30, 2013	Mar. 31, 2012
Disclosure Accrued Liabilities [Abstract]
Payroll-related liabilities	$ 6,723	$ 6,166
Product warranty accrual	3,342	4,215	$ 5,411	$ 4,187
Purchase order commitments and receipts	1,815	2,569
Pension benefit liabilities	1,853	1,912
Professional fees payable	1,237	1,933
Freight accrual	171	503
Income taxes payable	83	162
Restructuring costs payable	1,997	1,050
Customer deposits	1,057	375
Value added taxes payable	474	332
Other	1,485	1,307
Accrued liabilities	$ 20,237	$ 20,524