Goodwill and Other Intangible Assets, net - Other Intangibles and Amortization (Details) - USD ($) $ in Millions	Mar. 31, 2020	Dec. 31, 2019
Other intangible assets
Accumulated Amortization	$ (590.6)	$ (560.6)
Other intangible assets, net
Other intangible assets, Acquired Cost	1,697.1	1,701.2
Other intangible assets, net	1,106.5	1,140.6
Trade names
Assets not subject to amortization:
Trade names	242.2	242.7
Customer relationships
Other intangible assets
Acquired Cost	1,047.7	1,054.4
Accumulated Amortization	(372.9)	(354.9)
Net Book Value	674.8	699.5
Technology and intellectual property
Other intangible assets
Acquired Cost	303.7	304.1
Accumulated Amortization	(176.0)	(167.0)
Net Book Value	127.7	137.1
Trade Names and Other
Other intangible assets
Acquired Cost	103.5	100.0
Accumulated Amortization	(41.7)	(38.7)
Net Book Value	$ 61.8	$ 61.3