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Property And Equipment (Schedule Of Property And Equipment) (Details) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Property, Plant and Equipment [Line Items]    
Total property and equipment $ 87,685 $ 71,382
Less: Accumulated depreciation and amortization (42,477) (37,029)
Total property and equipment, net 45,208 34,353
Land [Member]
    
Property, Plant and Equipment [Line Items]    
Total property and equipment 541 541
Building [Member]
    
Property, Plant and Equipment [Line Items]    
Total property and equipment 9,315 9,315
Property and equipment, useful life, in years 25 years  
Machinery And Equipment [Member]
    
Property, Plant and Equipment [Line Items]    
Total property and equipment 56,962 45,869
Capitalized Software - ERP [Member]
    
Property, Plant and Equipment [Line Items]    
Total property and equipment 3,872 3,181
Property and equipment, useful life, in years 5 years  
Office Furniture And Equipment [Member]
    
Property, Plant and Equipment [Line Items]    
Total property and equipment 3,586 3,357
Property and equipment, useful life, in years 5 years  
Leasehold Improvements [Member]
    
Property, Plant and Equipment [Line Items]    
Total property and equipment 9,395 6,467
Leasehold improvements useful life Life of lease (a) [1]  
Rental Equipment [Member]
    
Property, Plant and Equipment [Line Items]    
Total property and equipment   57
Property and equipment, useful life, in years 5 years  
Construction In Progress [Member]
    
Property, Plant and Equipment [Line Items]    
Total property and equipment $ 4,014 $ 2,595
Minimum [Member]
    
Property, Plant and Equipment [Line Items]    
Property and equipment, useful life, in years 3 years  
Minimum [Member] | Machinery And Equipment [Member]
    
Property, Plant and Equipment [Line Items]    
Property and equipment, useful life, in years 3 years  
Maximum [Member]
    
Property, Plant and Equipment [Line Items]    
Property and equipment, useful life, in years 30 years  
Maximum [Member] | Machinery And Equipment [Member]
    
Property, Plant and Equipment [Line Items]    
Property and equipment, useful life, in years 7 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.