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Pensions (Summary Of Projected And Accumulated Benefit Obligations) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011
Projected Benefit Obligation [Member]
Defined Benefit Plan Disclosure [Line Items]
Projected Benefit Obligation Exceeds the Fair Value of Plan's Assets	$ 25,477
Accumulated Benefit Obligation Exceeds the Fair Value of Plan's Asset	18,989
Accumulated Benefit Obligation [Member]
Defined Benefit Plan Disclosure [Line Items]
Projected Benefit Obligation Exceeds the Fair Value of Plan's Assets	24,676
Accumulated Benefit Obligation Exceeds the Fair Value of Plan's Asset	18,951
Fair Value Of Plan Assets [Member]
Defined Benefit Plan Disclosure [Line Items]
Projected Benefit Obligation Exceeds the Fair Value of Plan's Assets	15,398
Accumulated Benefit Obligation Exceeds the Fair Value of Plan's Asset	$ 9,637

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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- 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.

+ References+ Details