Reclassification From Accumulated Other Comprehensive Loss (Components Of Accumulated Other Comprehensive Loss) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	$ (4,342)	[1]
Other comprehensive loss before reclassifications	(57,056)	[1]
Amounts reclassified from accumulated other comprehensive loss	26,431	[1],[2]
Net current-period other comprehensive income (loss)	(30,625)	[1]
Ending balance	(34,967)	[1]
Gains (Losses) On Cash Flow Hedges [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	9,270	[1]
Other comprehensive loss before reclassifications	(54,200)	[1]
Amounts reclassified from accumulated other comprehensive loss	26,350	[1],[2]
Net current-period other comprehensive income (loss)	(27,850)	[1]
Ending balance	(18,580)	[1]
Pension And Other Postretirement [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	(9,558)	[1]
Amounts reclassified from accumulated other comprehensive loss	81	[1],[2]
Net current-period other comprehensive income (loss)	81	[1]
Ending balance	(9,477)	[1]
Foreign Currency [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	(4,054)	[1]
Other comprehensive loss before reclassifications	(2,856)	[1]
Net current-period other comprehensive income (loss)	(2,856)	[1]
Ending balance	$ (6,910)	[1]

[1] All amounts are net-of-tax.

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