Goodwill And Other Intangible Assets (Schedule Of Intangible Assets) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Finite-Lived Intangible Assets [Line Items]
Intangible assets, gross	$ 18,215	$ 18,215
Less accumulated amortization	(2,772)	(2,107)
Intangible assets, net	15,443	16,108
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets, gross	16,375	16,375
Core Technologies [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets, gross	1,505	1,505
Product Technologies [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets, gross	$ 335	$ 335