Other Intangible Assets (Details) - USD ($) $ in Millions	Dec. 31, 2017	Dec. 31, 2016
Other Intangible Assets [Line Items]
Finite-lived intangible assets, gross	$ 613.4	$ 549.6
Accumulated Amortization	(206.8)	(171.4)
TOTAL INTANGIBLE ASSETS	667.2	602.9
Tradenames and other
Other Intangible Assets [Line Items]
Indefinite-lived intangible assets (excluding goodwill)	53.8	53.3
Patents, tradenames and trademarks
Other Intangible Assets [Line Items]
Finite-lived intangible assets, gross	151.4	143.7
Accumulated Amortization	(50.1)	(43.4)
Customer/agent relationships and other
Other Intangible Assets [Line Items]
Finite-lived intangible assets, gross	462.0	405.9
Accumulated Amortization	$ (156.7)	$ (128.0)