Accrued Liabilities (Details) (USD $) In Thousands, unless otherwise specified	Sep. 28, 2013	Jun. 29, 2013	Mar. 30, 2013	Sep. 29, 2012	Apr. 03, 2012	Mar. 31, 2012
Disclosure Accrued Liabilities [Abstract]
Payroll-related liabilities	$ 6,902		$ 7,918
Product warranty accrual	5,563	5,193	5,411	6,096	4,545	4,187
Purchase order commitments and receipts	2,570		2,533
Pension benefit liabilities	1,656		1,501
Professional fees payable	1,410		1,322
Freight accrual	741		646
Income taxes payable	686		2,884
Restructuring costs payable	327		485
Customer deposits	430		225
Value added taxes payable	339		258
Other	1,729		1,747
Accrued liabilities	$ 22,353		$ 24,930