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Employee Benefit Plans (Details 4) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Amounts applicable to the Company's defined benefit plans with accumulated benefit obligations in excess of plan assets
Projected benefit obligation	$ 117,890	$ 109,976
Accumulated benefit obligation	$ 117,890	$ 109,976

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