Lines of Credit and Financing Arrangements (Foreign Obligations) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2016	Dec. 31, 2015
Short-term Debt [Line Items]
Short-term debt		$ 52.4	$ 204.1
Proceeds from the facilities	$ 85.3
Repayments on the facilities	$ 87.8
Foreign Obligations [Member]
Short-term Debt [Line Items]
Short-term debt		$ 2.4	$ 4.1