Accumulated Other Comprehensive Loss (Details 2) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014		Sep. 30, 2013
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance Beginning			$ (574,556)		$ (681,213)
Other comprehensive income (loss), before reclassifications			(56,768)	[1]	(42,289)	[1]
Amounts reclassified from accumulated other comprehensive income			16,583	[1],[2],[3]	26,909	[1],[2],[3]
Net current period other comprehensive income (loss)	(55,390)	26,930	(40,185)		(15,380)
Balance Ending	(614,741)	(696,593)	(614,741)		(696,593)
Gains (losses) on cash flow hedges
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance Beginning			(6,380)		(7,777)
Other comprehensive income (loss), before reclassifications			892	[1]	(211)	[1]
Amounts reclassified from accumulated other comprehensive income			556	[1],[2],[3]	1,173	[1],[2],[3]
Net current period other comprehensive income (loss)			1,448		962
Balance Ending	(4,932)	(6,815)	(4,932)		(6,815)
Unrealized gains (losses) on available for sale securities
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance Beginning			(1,769)		4,513
Other comprehensive income (loss), before reclassifications			2,567	[1]	(5,273)	[1]
Amounts reclassified from accumulated other comprehensive income			695	[1],[2],[3]	606	[1],[2],[3]
Net current period other comprehensive income (loss)			3,262		(4,667)
Balance Ending	1,493	(154)	1,493		(154)
Defined benefit pension plans and nonpension postretirement benefit plans
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance Beginning			(601,421)		(759,199)
Other comprehensive income (loss), before reclassifications			0	[1]	0	[1]
Amounts reclassified from accumulated other comprehensive income			19,116	[1],[2],[3]	28,943	[1],[2],[3]
Net current period other comprehensive income (loss)			19,116		28,943
Balance Ending	(582,305)	(730,256)	(582,305)		(730,256)
Foreign currency items
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance Beginning			35,014		81,250
Other comprehensive income (loss), before reclassifications			(60,227)	[1]	(36,805)	[1]
Amounts reclassified from accumulated other comprehensive income			(3,784)	[1],[2],[3]	(3,813)	[1],[2],[3]
Net current period other comprehensive income (loss)			(64,011)		(40,618)
Balance Ending	$ (28,997)	$ 40,632	$ (28,997)		$ 40,632

[1] Amounts are net of tax. Amounts in parentheses indicate debits to AOCI.

[2] Foreign currency item represents the recognition of deferred translation upon the sale of businesses.

[3] See table above for additional details of these reclassifications.