Lines of Credit and Financing Arrangements (Foreign Obligations) (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Dec. 31, 2016
Short-term Debt [Line Items]
Foreign obligations	$ 251.3		$ 52.4
Foreign Obligations [Member]
Short-term Debt [Line Items]
Foreign obligations	1.3		$ 2.4
Proceeds on facilities	0.8	$ 20.4
Repayments on facilities	$ 1.8	$ 20.0