Employee Benefit Plans (Narrative) (Details) (USD $) In Millions, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
Employee Benefit Plans [Abstract]
Pension plan liability position		$ 49.6
Pension plan asset position	$ 8.8

This represents the entire liability recognized in the balance sheet that is associated with the defined benefit pension plans.

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+ Details

- Definition

This represents the entire assets recognized in the balance sheet that are associated with the defined benefit plans.

+ References+ Details