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Product Warranty (Details) - USD ($)
$ in Thousands
12 Months Ended
Mar. 28, 2015
Mar. 29, 2014
Mar. 30, 2013
Product Warranty      
Product warranty accrual, beginning $ 4,215 $ 5,411 $ 4,187
Warranty charges incurred, net (6,468) (7,178) (7,381)
Provision for warranty charges 5,595 5,982 8,605
Product warranty accrual, ending $ 3,342 $ 4,215 $ 5,411