Other Expense Other Items (Textuals) (Details) $ in Millions	12 Months Ended
	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2016	Feb. 17, 2016
Summary of Investment Holdings [Line Items]
Venezuela currency devaluation	$ 1.0	$ 1.1	$ 0.0
Venezuela deconsolidation	0.0	0.0	$ (11.1)
Foreign Currency Transaction Gain	5.6
Foreign Currency Transaction (Loss)		$ (5.5)
Gain (Loss) on Sale of Assets and Asset Impairment Charges	$ 1.1
VENEZUELA
Summary of Investment Holdings [Line Items]
Foreign currency exchange rate, remeasurement				6.3	10.0