Pension and Postretirement Plans (Accumulated Other Comprehensive Income) (Details 7) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Defined Benefit Plan Disclosure [Line Items]
Net amount	$ (66,895)	$ (63,625)

The total of net gain (loss), prior service cost (credit), and transition assets (obligations), as well as minimum pension liability if still remaining, included in accumulated other comprehensive income associated with a defined benefit pension or other postretirement plan(s) because they have yet to be recognized as components of net periodic benefit cost.

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+ Details