Business Segment and Geographic Area Information - Segment Reporting, by Geographic Area (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales									$ 6,140.8	$ 6,011.9	$ 4,384.9
Net Sales	$ 1,519.8	$ 1,581.6	$ 1,552.8	$ 1,505.9	$ 1,509.3	$ 1,531.8	$ 1,510.9	$ 1,477.4	6,160.1	6,029.4	4,405.6
Assets	7,276.7				7,048.8				7,276.7	7,048.8	4,821.3
Reportable Geographical Components | Americas
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales									5,328.5	5,176.4	3,644.8
Assets	6,383.1				6,249.7				6,383.1	6,249.7	4,004.7
Reportable Geographical Components | Europe
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales									689.3	695.9	593.5
Assets	686.3				603.4				686.3	603.4	607.1
Reportable Geographical Components | Asia Pacific
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales									219.3	217.8	215.7
Assets	$ 207.3				$ 195.7				207.3	195.7	209.5
Corporate and Other
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales									$ (77.0)	$ (60.7)	$ (48.4)