Subsequent Events (Details) $ in Millions	3 Months Ended	12 Months Ended
	Mar. 31, 2016 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2015 USD ($) segment	Feb. 17, 2016	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)	Dec. 31, 2012 USD ($)
Venezuela
Venezuela, Net Monetary Assets				$ 6.2	$ 6.2	$ 6.2
Cash, including cash equivalents				4.7	4.7	4.7
Non-monetary assets				1.4	1.4	1.4
Foreign Currency Transaction Loss, before Tax	$ 2.3				7.6
Cash, including cash equivalents				$ 274.6	$ 274.6	$ 274.6		$ 255.3	$ 230.0	$ 161.9
Number of reportable segments				2		2
Minimum [Member]
Restructuring and Related Cost, Expected Cost			$ 23.0
Asset Impairment Charges, Expected			17.0
Severance Costs			$ 6.0
Number of Positions Eliminated, Percent of Workforce			1.00%
Effect on Future Earnings, Amount		$ 8.0	$ 4.0
Maximum [Member]
Restructuring and Related Cost, Expected Cost			28.0
Asset Impairment Charges, Expected			20.0
Severance Costs			$ 8.0
Number of Positions Eliminated, Percent of Workforce			2.00%
Effect on Future Earnings, Amount		$ 10.0	$ 5.0
Venezuela, Official Rate [Member]
Foreign Currency Exchange Rate, Translation				6.3	6.3	6.3	10.0
Venezuela, Free Floating [Member]
Foreign Currency Exchange Rate, Translation							200