Consolidated Statements of Income and Comprehensive Income (Parenthetical) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Statement of Comprehensive Income [Abstract]
Income from discontinued operations, income tax expense	$ 5,966	$ 31,117	$ 21,231	$ 63,868
Other Comprehensive Income, Derivatives Qualifying as Hedges, Tax	(401)	0	100	0
Net gain from pension and postretirement plans, income tax expense	$ 35,944	$ 1,620	$ 36,875	$ 3,824