Income Taxes Indefinite reinvestment assertion (Details) $ in Millions	9 Months Ended
	Sep. 30, 2020 USD ($)
Changes in non-US tax law [Member]
Indefinite reinvestment assertion [Abstract]
Undistributed Earnings of Foreign Subsidiaries	$ 120.0
Foreign Income Tax Expense (Benefit), Continuing Operations	10.4
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]
Undistributed Earnings of Foreign Subsidiaries	120.0
Foreign Income Tax Expense (Benefit), Continuing Operations	10.4
Restructuring actions taken within foreign subsidiaries [Member]
Indefinite reinvestment assertion [Abstract]
Undistributed Earnings of Foreign Subsidiaries	46.0
Foreign Income Tax Expense (Benefit), Continuing Operations	3.2
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]
Undistributed Earnings of Foreign Subsidiaries	46.0
Foreign Income Tax Expense (Benefit), Continuing Operations	$ 3.2