Defined Benefit Plans (Narrative) (Details) (VAC [Member], USD $) In Millions, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
VAC [Member]
Defined Benefit Plan Disclosure [Line Items]
Pension liabilities	$ 206.0	$ 212.5

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

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+ Details