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Supplemental Disclosure of Cash Flow Information (Tables)
6 Months Ended
Sep. 24, 2011
Supplemental Cash Flow Information Abstract 
Schedule Of Purchase Price Allocation [Table Text Block]
Fair value of assets acquired$5,739,000
Goodwill acquired 27,589,000
Cash paid, net of cash acquired (32,533,000)
   
Liabilities assumed$795,000

Fair value of assets acquired$ 1,200,000
Goodwill acquired  6,268,000
Cash paid, net of cash acquired  (7,106,000)
   
Liabilities assumed$ 362,000