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Aquisition (narrative) (detail) (USD $)
Dec. 28, 2013
Mar. 31, 2013
Jan. 15, 2013
Independent [Member]
Business Acquisition [Line Items]      
Purchase Price $ 5,000,000   $ 5,017,000
BusinessAcquisitionPurchaseLiabilities     19,517,000
Gain On Purchase Of Business Fair Value Adjustment 2,000,000 1,971,000  
Gain Loss On Purchase Of Business During Period $ 75,000