Annual report pursuant to Section 13 and 15(d)

Goodwill And Other Intangible Assets (Schedule Of Intangible Assets, Net Of Amortization) (Details)

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Goodwill And Other Intangible Assets (Schedule Of Intangible Assets, Net Of Amortization) (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Finite-Lived Intangible Assets [Line Items]    
Intangible assets, gross $ 42,500 $ 18,215
Less accumulated amortization (4,400) (2,107)
Intangible assets, net 38,100 16,108
Weighted average useful life 14 years 6 months 14 years 4 months 24 days
Customer Relationships [Member]
   
Finite-Lived Intangible Assets [Line Items]    
Intangible assets, gross 29,890 16,375
Less accumulated amortization (3,498) (1,730)
Intangible assets, net 26,392 14,645
Weighted average useful life 14 years 1 month 6 days 15 years 1 month 6 days
Product Technologies [Member]
   
Finite-Lived Intangible Assets [Line Items]    
Intangible assets, gross 8,868 335
Less accumulated amortization (421) (116)
Intangible assets, net 8,447 219
Weighted average useful life 15 years 3 months 18 days 4 years 7 months 6 days
Trade Name [Member]
   
Finite-Lived Intangible Assets [Line Items]    
Intangible assets, gross 2,237  
Less accumulated amortization (56)  
Intangible assets, net 2,181  
Weighted average useful life 20 years  
Core Technologies [Member]
   
Finite-Lived Intangible Assets [Line Items]    
Intangible assets, gross 1,505 1,505
Less accumulated amortization (425) (261)
Intangible assets, net $ 1,080 $ 1,244
Weighted average useful life 9 years 3 months 18 days 9 years 3 months 18 days