CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Net Income	$ 820,470	$ 660,931	$ 628,962
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments	(26,003)	7,714	(21,213)
Pension and postretirement benefit plans	166,403	(9,634)	(85,823)
Cash flow hedges, net of tax:
Gains (Losses) on cash flow hedging derivatives	72,334	(868)	(107,713)
Reclassification adjustments	5,775	60,043	(12,515)
Total other comprehensive income (loss), net of tax	218,509	57,255	(227,264)
Comprehensive Income	$ 1,038,979	$ 718,186	$ 401,698