Lines of Credit and Financing Arrangements (Foreign Obligations) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Short-term Debt [Line Items]
Short-term debt proceeds	$ 5.3	$ 40.3	$ 30.4
Repayments of Short-term Debt	5.3	40.3	31.9
Foreign Obligations [Member]
Short-term Debt [Line Items]
Short-term debt proceeds	5.3	40.3	30.4
Repayments of Short-term Debt	$ 5.3	$ 40.3	$ 31.9