Accumulated Other Comprehensive Loss (Components of AOCI) (Details) (USD $)	3 Months Ended			9 Months Ended			3 Months Ended		9 Months Ended				3 Months Ended	9 Months Ended	3 Months Ended			9 Months Ended
	Sep. 30, 2013		Sep. 30, 2012	Sep. 30, 2013		Sep. 30, 2012	Sep. 30, 2013 Foreign currency translation items [Member]		Sep. 30, 2013 Foreign currency translation items [Member]		Jun. 30, 2013 Foreign currency translation items [Member]	Dec. 31, 2012 Foreign currency translation items [Member]	Sep. 30, 2013 Pension and other postretirement effects [Member]	Sep. 30, 2013 Pension and other postretirement effects [Member]	Sep. 30, 2013 Cash flow hedging activity [Member]		Sep. 30, 2012 Cash flow hedging activity [Member]	Sep. 30, 2013 Cash flow hedging activity [Member]		Sep. 30, 2012 Cash flow hedging activity [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	$ (280,078,000)	[1]		$ (223,094,000)	[2]		$ (128,169,000)	[1]	$ (61,083,000)	[2]			$ (152,130,000)	$ (161,757,000)	$ 221,000	[3]		$ (254,000)	[4]
Other comprehensive (loss) income before reclassifications, net of taxes	34,929,000	[1]		(30,048,000)	[2]		38,581,000	[1]	(29,722,000)	[2]			(3,824,000)	(699,000)	172,000	[3]	22,000	373,000	[4]	725,000	[4]
Amounts reclassified from accumulated other comprehensive loss, net of taxes	3,431,000	[1]		11,424,000	[2]		0	[1]	1,217,000	[2]			3,451,000	9,953,000	(20,000)	[3]	(237,000)	254,000	[4]	(636,000)	[4]
Net current-period other comprehensive (loss) income, net of taxes	38,360,000	[1]	32,036,000	(18,624,000)	[2]	10,719,000	38,581,000	[1]	(28,505,000)	[2]			(373,000)	9,254,000	152,000	[3]		627,000	[4]
Ending balance	(241,718,000)	[1],[2]		(241,718,000)	[1],[2]		(89,588,000)	[1],[2]	(89,588,000)	[1],[2]			(152,503,000)	(152,503,000)	373,000	[3],[4]		373,000	[3],[4]
AOCI, portion attributable to noncontrolling interest, net of tax							$ 1,100,000		$ 1,100,000		$ 1,300,000	$ 1,200,000

[1] Includes foreign currency translation adjustments attributable to noncontrolling interests of $1.3 million and $1.1 million at July 1, 2013 and September 30, 2013, respectively. Amounts in parentheses indicate debits.

[2] Includes foreign currency translation adjustments attributable to noncontrolling interests of $1.2 million and $1.1 million at January 1, 2013 and September 30, 2013, respectively. Amounts in parentheses indicate debits.

[3] Other comprehensive loss before reclassifications, net of taxes was $22,000 and amounts reclassified from accumulated other comprehensive loss, net of taxes was $237,000 for the three months ended September 30, 2012 for cash flow hedging activity.

[4] Other comprehensive loss before reclassifications, net of taxes was $725,000 and amounts reclassified from accumulated other comprehensive loss, net of taxes was $636,000 for the nine months ended September 30, 2012 for cash flow hedging activity.