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Organization And Summary Of Significant Accounting Policies Goodwill And Intangible Assets (Details)
12 Months Ended
Dec. 31, 2011
Customer Lists [Member]
 
Indefinite-lived Intangible Assets by Major Class [Line Items]  
Finite-Lived Intangible Assets, Useful Life, Minimum 5
Finite-Lived Intangible Assets, Useful Life, Maximum 15
Developed Technology Rights [Member]
 
Indefinite-lived Intangible Assets by Major Class [Line Items]  
Finite-Lived Intangible Assets, Useful Life, Minimum 5
Finite-Lived Intangible Assets, Useful Life, Maximum 15
Distribution Rights [Member]
 
Indefinite-lived Intangible Assets by Major Class [Line Items]  
Finite-Lived Intangible Assets, Useful Life, Minimum 5
Finite-Lived Intangible Assets, Useful Life, Maximum 11
Licensing Agreements [Member]
 
Indefinite-lived Intangible Assets by Major Class [Line Items]  
Finite-Lived Intangible Assets, Useful Life, Minimum 5
Finite-Lived Intangible Assets, Useful Life, Maximum 15
Noncompete Agreements [Member]
 
Indefinite-lived Intangible Assets by Major Class [Line Items]  
Finite-Lived Intangible Assets, Useful Life, Minimum 3
Finite-Lived Intangible Assets, Useful Life, Maximum 10
Patents [Member]
 
Indefinite-lived Intangible Assets by Major Class [Line Items]  
Finite-Lived Intangible Assets, Average Useful Life 17
Royalty Agreements [Member]
 
Indefinite-lived Intangible Assets by Major Class [Line Items]  
Finite-Lived Intangible Assets, Average Useful Life 5