Financial Instruments (Tables)

3 Months Ended

Mar. 31, 2016

Financial Instruments [Abstract]

Estimated Fair Value Of Financial Instruments

	March 31, 2016		December 31, 2015
	Carrying amount	Estimated fair value	Carrying amount	Estimated fair value
Assets (Liabilities), net:
Total long-term debt, including current portion	($978.2)	($977.1)	($998.3)	($989.4)
Foreign currency contracts	0.9	0.9	6.2	6.2
Natural gas contracts	(0.6)	(0.6)	(0.8)	(0.8)
Interest rate swap contracts	(3.0)	(3.0)	(10.6)	(10.6)

Fair Value Measurement Of Assets And Liabilities

	March 31, 2016		December 31, 2015
	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:
Foreign currency contracts	$0.9	-	$6.2	-
Natural gas contracts	-	($0.6)	-	($0.8)
Interest rate swap contracts	-	(3.0)	-	(10.6)