XML 40 R60.htm IDEA: XBRL DOCUMENT

Restructuring Expenses Restructing Expenses - Narrative (Details) $ in Millions	3 Months Ended	12 Months Ended			60 Months Ended
	Dec. 31, 2019 USD ($)	Dec. 31, 2019 USD ($) employees	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2018 employees
Restructuring Cost and Reserve [Line Items]
Ownership Interest of Controlling Interest	50.00%
Restructuring Charges Excluding Adjustments		$ 9.7	$ 14.1	$ 12.6
Restructuring and Related Cost, Number of Positions Eliminated \| employees		270			3,890
Loss on Sale of Joint Venture [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges Excluding Adjustments	$ 2.1	$ 2.1