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Other Assets (Schedule Of Other Assets) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Other Assets [Abstract]
Overfunded pension plans	$ 67,518	$ 66,274
Cash surrender value of life insurance contracts	56,177	54,046
Other	56,138	51,606
Total	$ 179,833	$ 171,926

- Definition

Carrying amount as of the balance sheet date of amounts which could be received based on the terms of the insurance contract upon surrendering life policies owned by the entity.

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- Definition

The amount for overfunded plans recognized in the balance sheet as a noncurrent asset associated with a defined benefit pension plan or other postretirement defined benefit plan.

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