Summary of Significant Accounting Policies Narrative (Details) $ in Millions		12 Months Ended
	Jan. 01, 2018 USD ($)	Dec. 31, 2019 USD ($) Reporting_Unit	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Jan. 01, 2019 USD ($)
Property, Plant and Equipment [Line Items]
Number of reporting units (in reporting units) | Reporting_Unit		3
Net decrease to beginning parent's equity	$ 8.0
Operating lease right-of-use assets		$ 200.1			$ 182.0
Total operating lease liabilities		212.7			$ 191.0
Impairment loss		$ 0.0	$ 0.0	$ 0.0
Buildings
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Useful Life		30 years
Minimum | Machinery and equipment
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Useful Life		3 years
Maximum | Machinery and equipment
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Useful Life		10 years