Restructuring Charges (Schedule Of Restructuring And Related Costs) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Restructuring Charges [Abstract]
Severance charges	$ 826	$ 1,698	$ 1,032	$ 16,310
Lease termination charges	52	(2,290)	26	3,107
Asset impairment charges	451	1,954	1,064	5,437
Professional fees and other charges	64	1,744	130	2,585
Total restructuring charges	$ 1,393	$ 3,106	$ 2,252	$ 27,439

The charge against earnings resulting from the aggregate write down of all assets from their carrying value to their fair value.

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Amount charged against earnings in the period for incurred and estimated costs associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, excluding asset retirement obligations.

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- Definition

The charge against earnings in the period for known and estimated costs of termination benefits provided to current employees that are involuntarily terminated under a benefit arrangement associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, excluding costs or losses pertaining to an entity newly acquired in a business combination or a discontinued operation as defined by generally accepted accounting principles and costs associated with one-time termination benefits.

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