Employee Benefit Plans (Plans With Accumulated Benefit Obligations In Excess Of Plan Assets) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Plans with accumulated benefit obligations in excess of plan assets:
Projected benefit obligation	$ 15,067	$ 16,492
Accumulated benefit obligation	12,396	15,496
Fair value of plan assets	11,702	14,703
Plans with plan assets in excess of accumulated benefit obligations:
Projected benefit obligation	22,484	12,739
Accumulated benefit obligation	20,640	10,687
Fair value of plan assets	$ 20,856	$ 11,406

If aggregate disclosures are presented, the aggregate pension accumulated benefit obligation for pension plans with accumulated benefit obligations in excess of plan assets as of the measurement date of each statement of financial position presented.

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If aggregate disclosures are presented, the aggregate fair value of plan assets for pension plans with accumulated benefit obligations in excess of plan assets as of the measurement date of each statement of financial position presented.

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- Definition

If aggregate disclosures are presented, the aggregate projected benefit obligation for pension plans with accumulated benefit obligations in excess of plan assets as of the measurement date of each statement of financial position presented.

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