Accumulated Other Comprehensive Income (Loss) (Reclassifications out of AOCI) (Details 3) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]
Income (loss) from discontinued operations, net of tax	$ (100,835)	$ 25,872	$ 7,620	$ 21,224	$ (5,600)	$ (37,539)	$ (10,264)	$ (6,725)	$ (46,119)		$ (60,128)		$ 34,231
Interest expense	8,838	9,221	9,048	8,960	9,064	8,738	8,979	9,163	36,067		35,944		33,226
Other (expense) income, net	(14,920)	8,110	(12,858)	(4,083)	(17,572)	4,163	(635)	8,588	(23,751)		(5,456)		(55,200)
Income from continuing operations before income taxes	82,393	87,296	87,254	44,283	(45,875)	93,408	65,683	42,043	301,226		155,259		255,788
Provision for Income Taxes	(26,700)	(31,000)	(34,500)	(17,800)	(5,100)	(37,000)	(23,900)	(17,200)	(110,000)		(83,200)		(104,400)
Income Net of Tax	55,693	56,296	52,754	26,483	(50,975)	56,408	41,783	24,843	191,226		72,059		151,388
Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]
Income Net of Tax									7,250		14,139		29,590
Foreign Currency Translation Adjustments [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]
Income (loss) from discontinued operations, net of tax									0		(888)		0
Unrealized Gain (Losses) on Available- for- Sale Securities [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]
Other (expense) income, net									9,554		17,226		53,793
Provision for Income Taxes									(3,822)		(6,890)		(21,518)
Income Net of Tax									5,732		10,336		32,275
Pension and Other Postretirement Plans [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]
Income from continuing operations before income taxes									1,713		7,509		(4,435)
Provision for Income Taxes									(685)		(3,002)		1,774
Income Net of Tax									1,028		4,507		(2,661)
Amortization of net actuarial (gain) loss [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]
Income from continuing operations before income taxes									3,096	[1]	9,368	[1]	(510)	[1]
Amortization of net prior service cost (credit) [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]
Income from continuing operations before income taxes									(1,383)	[1]	(1,859)	[1]	(3,925)	[1]
Cash Flow Hedge [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]
Interest expense									816		306		(40)
Provision for Income Taxes									(326)		(122)		16
Income Net of Tax									$ 490		$ 184		$ (24)

[1] These accumulated other comprehensive income components are included in the computation of net periodic pension and postretirement plan cost (see Note 14).