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Product Warranty (Details) - USD ($)
$ in Thousands
3 Months Ended
Jun. 27, 2015
Jun. 28, 2014
Mar. 28, 2015
Product Warranty      
Document Period End Date Jun. 27, 2015    
Product Warranty Accrual, Noncurrent $ 528   $ 0
Product warranty accrual, beginning 3,342 $ 4,215  
Warranty charges incurred, net (1,484) (1,940)  
Provision for warranty charges 2,163 1,212  
Product warranty accrual, ending $ 4,021 $ 3,487