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Leases (Schedule Of Cost Basis And Accumulated Depreciation Of Assets Recorded Under Capital Leases From Continuing Operating Activities) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Leases [Abstract]
Cost	$ 9,143	$ 9,320
Accumulated depreciation	(6,691)	(5,910)
Net book value	$ 2,452	$ 3,410

Property, plant, or equipment held under lease agreements classified as an asset.

The total charge for the use of long-lived depreciable assets subject to a lease meeting the criteria for capitalization.