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Acquisitions and Divestitures - Fiscal 2012 Acquisitions (Details) (USD $)
 12 Months Ended 1 Months Ended 3 Months Ended 4 Months Ended 12 Months Ended 1 Months Ended 3 Months Ended
May 03, 2014
Apr. 27, 2013
Apr. 28, 2012
Oct. 31, 2011
Eetrex
Jul. 30, 2011
Eetrex
Apr. 27, 2013
Eetrex
Oct. 31, 2011
Eetrex
Apr. 27, 2013
Eetrex
Apr. 28, 2012
Eetrex
May 03, 2014
Eetrex
Apr. 27, 2013
Eetrex
Minimum
Apr. 27, 2013
Eetrex
Maximum
Sep. 30, 2011
Nypro Monterrey
employee
Oct. 29, 2011
Nypro Monterrey
Business Acquisition [Line Items]                            
Value of pre-existing ownership interest in acquiree                 $ 2,700,000          
Percentage of pre-existing ownership interest in acquiree                 70.00%          
Payments to acquire additional interest in subsidiaries       500,000 600,000                  
Additional equity interests acquired, percentage             20.00%              
Ownership percentage of subsidiary by parent       90.00%     90.00%              
Purchase price stipulated in option to purchase remaining equity interests, representing persentage of net sales in fiscal 2014 or 2016                     2.00% 2.50%    
Ownership percentage by noncontrolling owners           10.00%   10.00%            
Increase in non-controlling interest due to an increase in the redemption amount           100,000                
Amount transferred to mezzanine equity                 600,000          
Net loss attributable to noncontrolling interest (100,000) 300,000 200,000         300,000 300,000          
Mezzanine equity           0   0 300,000 0        
Total consideration transferred                         6,400,000  
Number of employees transferred as part of acquisition                         228  
Fair value of 100% of the business based on third-party valuation                         6,600,000  
Gain on bargain purchase $ 0 $ 0 $ 300,000                     $ 300,000