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Divestiture and Acquisition (Summary of Finite-Lived Intangible Assets Acquired) (Details) - USD ($)
$ in Thousands
3 Months Ended
Oct. 27, 2015
Apr. 01, 2016
Acquired Finite-Lived Intangible Assets [Line Items]    
Weighted Average Amortization Period (Years)   15 years
Lake Region Medical [Member]    
Acquired Finite-Lived Intangible Assets [Line Items]    
Fair Value Assigned $ 849,000  
Weighted Average Amortization Period (Years) 13 years  
Finite-Lived Intangible Asset, Useful Life 27 years  
Weighted Average Discount Rate 10.00%  
Lake Region Medical [Member] | Trademarks And Tradenames [Member]    
Acquired Finite-Lived Intangible Assets [Line Items]    
Indefinite-lived Intangible Assets Acquired $ 70,000  
Acquired Indefinite Lived Intangible Asset Weighted Average Discount Rate 10.00%  
Lake Region Medical [Member] | Trademarks And Tradenames [Member] | Minimum [Member]    
Acquired Finite-Lived Intangible Assets [Line Items]    
Royalty Rate (Percent) 0.25%  
Lake Region Medical [Member] | Trademarks And Tradenames [Member] | Maximum [Member]    
Acquired Finite-Lived Intangible Assets [Line Items]    
Royalty Rate (Percent) 1.00%  
Lake Region Medical [Member] | Technology And Patents [Member]    
Acquired Finite-Lived Intangible Assets [Line Items]    
Fair Value Assigned $ 160,000  
Weighted Average Amortization Period (Years) 7 years  
Finite-Lived Intangible Asset, Useful Life 19 years  
Weighted Average Discount Rate 10.00%  
Lake Region Medical [Member] | Technology And Patents [Member] | Minimum [Member]    
Acquired Finite-Lived Intangible Assets [Line Items]    
Royalty Rate (Percent) 0.50%  
Lake Region Medical [Member] | Technology And Patents [Member] | Maximum [Member]    
Acquired Finite-Lived Intangible Assets [Line Items]    
Royalty Rate (Percent) 7.00%  
Lake Region Medical [Member] | Customer Lists [Member]    
Acquired Finite-Lived Intangible Assets [Line Items]    
Fair Value Assigned $ 689,000  
Weighted Average Amortization Period (Years) 14 years  
Finite-Lived Intangible Asset, Useful Life 29 years  
Weighted Average Discount Rate 10.00%  
Customer Annual Attrition Rate 5.00%