Financial Instruments (Tables)

12 Months Ended

Dec. 31, 2015

Financial Instruments [Abstract]

Estimated Fair Value Of Financial Instruments

	December 31, 2015		December 31, 2014
	Carrying amount	Estimated fair value	Carrying amount	Estimated fair value
Assets/(Liabilities), net:
Total debt, including current portion	($1,003.0)	($994.1)	($1,042.6)	($1,028.2)
Foreign currency contracts	6.2	6.2	5.4	5.4
Natural gas contracts	(0.8)	(0.8)	(3.0)	(3.0)
Interest rate swap contracts	(10.6)	(10.6)	(9.3)	(9.3)

Fair Value Measurement Of Assets And Liabilities

	December 31, 2015		December 31, 2014
	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	($457.4)	($536.7)	($459.8)	($568.4)
Foreign currency contracts	6.2	-	5.4	-
Natural gas contracts	-	(0.8)	-	(3.0)
Interest rate swap contracts	-	(10.6)	-	(9.3)