Financial Instruments (Tables)

9 Months Ended

Sep. 30, 2012

Financial Instruments [Abstract]

Estimated Fair Value Of Financial Instruments

	September 30, 2012		December 31, 2011
	Carrying amount	Estimated fair value	Carrying amount	Estimated fair value
Assets/(Liabilities), net:
Total debt, including current portion	($1,082.5)	($1,083.7)	($843.0)	($835.2)
Foreign currency contract obligations	(3.0)	(3.0)	1.1	1.1
Natural gas contracts	(4.6)	(4.6)	(9.3)	(9.3)
Interest rate swap contracts	(27.1)	(27.1)	(14.0)	(14.0)

Summary Of Assets And Liabilities

	September 30, 2012		December 31, 2011
	Fair value based on		Fair value based on
	Quoted,     active     markets	Other observable inputs	Quoted,     active     markets	Other observable inputs
	Level 1	Level 2	Level 1	Level 2
Assets/(Liabilities), net:
Total debt, including current portion	($791.5)	($292.2)	($545.9)	($289.3)
Foreign currency contract obligations	(3.0)	-	1.1	-
Natural gas contracts	-	(4.6)	-	(9.3)
Interest rate swap contracts	-	(27.1)	-	(14.0)