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Restructuring and Cost Management Plans - Amounts Related to Restructuring Costs Payable (Details) (USD $)
6 Months Ended
Sep. 28, 2013
Restructuring Cost and Reserve [Line Items]  
Payments for Restructuring $ (153,000)
Restructuring Reserve [Roll Forward]  
Beginning balance 485,000
Costs incurred and other adjustments 5,000
Cash payments 100,000
Ending balance $ 327,000