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Product Warranty (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Mar. 29, 2014
Mar. 30, 2013
Mar. 31, 2012
Product Warranty      
Product warranty accrual, beginning $ 5,411 $ 4,187 $ 4,415
Warranty charges incurred, net (7,178) (7,381) (7,200)
Provision for warranty charges 5,982 8,605 6,972
Product warranty accrual, ending $ 4,215 $ 5,411 $ 4,187