Reclassifications From Accumulated Other Comprehensive Income (Components of AOCI And Related Tax Effects) (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2013
Beginning balance	$ 149,804	[1]
Other comprehensive income (loss) before reclassification	19,644	[1]
Amounts reclassified from accumulated other comprehensive income (loss)	(74,002)	[1],[2]
Net current period other comprehensive income (loss)	(54,358)	[1]
Ending balance	95,446	[1]
Gains and Losses on Cash Flow Hedges [Member]
Beginning balance	172,166	[1]
Other comprehensive income (loss) before reclassification	22,091	[1]
Amounts reclassified from accumulated other comprehensive income (loss)	(74,536)	[1],[2]
Net current period other comprehensive income (loss)	(52,445)	[1]
Ending balance	119,721	[1]
Pension and Other Postretirement [Member]
Beginning balance	(22,311)	[1]
Amounts reclassified from accumulated other comprehensive income (loss)	534	[1],[2]
Net current period other comprehensive income (loss)	534	[1]
Ending balance	(21,777)	[1]
Foreign Currency [Member]
Beginning balance	(51)	[1]
Other comprehensive income (loss) before reclassification	(2,447)	[1]
Net current period other comprehensive income (loss)	(2,447)	[1]
Ending balance	$ (2,498)	[1]

[1] For the six months endedJune 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 22,091  -   (2,447) 19,644 Amounts reclassified from accumulated other comprehensive income (loss) (2) (74,536) 534  -   (74,002)Net current-period other comprehensive income (loss) (52,445) 534  (2,447) (54,358)Ending balance, June 30, 2013$ 119,721 $ (21,777)$ (2,498)$ 95,446 All amounts are net-of-tax.

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