Reclassifications From Accumulated Other Comprehensive Income (Components of AOCI And Related Tax Effects) (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2013
Beginning balance	$ 149,804	[1]
Other comprehensive income (loss) before reclassifications	27,786	[1]
Amounts reclassified from accumulated other comprehensive income (loss)	(128,832)	[1],[2]
Net current-period other comprehensive income (loss)	(101,046)	[1]
Ending balance	48,758	[1]
Gains and Losses on Cash Flow Hedges [Member]
Beginning balance	172,166	[1]
Other comprehensive income (loss) before reclassifications	29,600	[1]
Amounts reclassified from accumulated other comprehensive income (loss)	(129,632)	[1],[2]
Net current-period other comprehensive income (loss)	(100,032)	[1]
Ending balance	72,134	[1]
Pension and Other Postretirement [Member]
Beginning balance	(22,311)	[1]
Amounts reclassified from accumulated other comprehensive income (loss)	800	[1],[2]
Net current-period other comprehensive income (loss)	800	[1]
Ending balance	(21,511)	[1]
Foreign Currency [Member]
Beginning balance	(51)	[1]
Other comprehensive income (loss) before reclassifications	(1,814)	[1]
Net current-period other comprehensive income (loss)	(1,814)	[1]
Ending balance	$ (1,865)	[1]

[1] For the nine months endedSeptember 30, 2013Gains and Losses on Cash Flow HedgesPension and Other PostretirementForeign CurrencyTotal(in thousands) (1)Beginning balance, December 31, 2012$ 172,166 $ (22,311)$ (51)$ 149,804 Other comprehensive income (loss) before reclassifications 29,600  -   (1,814) 27,786 Amounts reclassified from accumulated other comprehensive income (loss) (2) (129,632) 800  -   (128,832)Net current-period other comprehensive income (loss) (100,032) 800  (1,814) (101,046)Ending balance, September 30, 2013$ 72,134 $ (21,511)$ (1,865)$ 48,758 All amounts are net-of-tax.

[2] See separate table below for details about these reclassifications.