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Retirement Plans (Amounts In AOCI Not Yet Recognized as Net Periodic Benefit Costs) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Pension Benefits [Member]
Defined Benefit Plan [Abstract]
Net actuarial loss	$ 411,076	$ 697,511
Prior service cost/(credit)	356	363
Total	411,432	697,874
Postretirement Benefits Other Than Pensions (OPEB) [Member]
Defined Benefit Plan [Abstract]
Net actuarial loss	30,835	105,970
Prior service cost/(credit)	(25,605)	(31,706)
Total	$ 5,230	$ 74,264

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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