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Property And Equipment (Schedule Of Property And Equipment) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Property, Plant and Equipment [Line Items]    
Total property and equipment $ 156,992 $ 134,611
Less: Accumulated depreciation and amortization (70,997) (52,730)
Total property and equipment, net 85,995 81,881
Land [Member]    
Property, Plant and Equipment [Line Items]    
Total property and equipment 903 541
Building [Member]    
Property, Plant and Equipment [Line Items]    
Total property and equipment 11,007 9,370
Machinery And Equipment [Member]    
Property, Plant and Equipment [Line Items]    
Total property and equipment 105,383 84,443
Capitalized Software [Member]    
Property, Plant and Equipment [Line Items]    
Total property and equipment 7,391 3,693
Office Furniture And Equipment [Member]    
Property, Plant and Equipment [Line Items]    
Total property and equipment 4,714 3,478
Leasehold Improvements [Member]    
Property, Plant and Equipment [Line Items]    
Total property and equipment [1] 17,867 12,447
Rental Equipment [Member]    
Property, Plant and Equipment [Line Items]    
Total property and equipment $ 149 557
Useful Life (in years) 5 years  
Construction In Progress [Member]    
Property, Plant and Equipment [Line Items]    
Total property and equipment $ 9,578 $ 20,082
Minimum [Member] | Building [Member]    
Property, Plant and Equipment [Line Items]    
Useful Life (in years) 25 years  
Minimum [Member] | Machinery And Equipment [Member]    
Property, Plant and Equipment [Line Items]    
Useful Life (in years) 2 years  
Minimum [Member] | Capitalized Software [Member]    
Property, Plant and Equipment [Line Items]    
Useful Life (in years) 3 years  
Minimum [Member] | Office Furniture And Equipment [Member]    
Property, Plant and Equipment [Line Items]    
Useful Life (in years) 1 year  
Maximum [Member] | Building [Member]    
Property, Plant and Equipment [Line Items]    
Useful Life (in years) 30 years  
Maximum [Member] | Machinery And Equipment [Member]    
Property, Plant and Equipment [Line Items]    
Useful Life (in years) 7 years  
Maximum [Member] | Capitalized Software [Member]    
Property, Plant and Equipment [Line Items]    
Useful Life (in years) 5 years  
Maximum [Member] | Office Furniture And Equipment [Member]    
Property, Plant and Equipment [Line Items]    
Useful Life (in years) 5 years  
[1] Leasehold improvements are amortized on a straight-line basis over the shorter of (i) their estimated useful lives and (ii) the estimated or contractual life of the related lease.