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Valuation and Qualifying Accounts (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Mar. 29, 2015
Mar. 30, 2014
Mar. 31, 2013
Apr. 01, 2012
Valuation and Qualifying Accounts [Abstract]        
Allowance for doubtful accounts receivable $ 445us-gaap_AllowanceForDoubtfulAccountsReceivable $ 477us-gaap_AllowanceForDoubtfulAccountsReceivable $ 469us-gaap_AllowanceForDoubtfulAccountsReceivable $ 460us-gaap_AllowanceForDoubtfulAccountsReceivable
Valuation Allowances and Reserves, Adjustments (32)us-gaap_ValuationAllowancesAndReservesAdjustments 44us-gaap_ValuationAllowancesAndReservesAdjustments 201us-gaap_ValuationAllowancesAndReservesAdjustments  
Valuation Allowances and Reserves, Deductions $ 0us-gaap_ValuationAllowancesAndReservesDeductions $ 36us-gaap_ValuationAllowancesAndReservesDeductions $ 192us-gaap_ValuationAllowancesAndReservesDeductions