Goodwill and Intangible Assets, net - Other Intangible Assets (Details) - USD ($) $ in Millions	Jun. 30, 2016	Dec. 31, 2015
Other Intangible Assets [Line Items]
Finite-lived intangible assets, gross	$ 546.7	$ 465.0
Accumulated Amortization	(158.1)	(146.3)
Total intangible assets	600.4	518.5
Tradenames and other
Other Intangible Assets [Line Items]
Indefinite-lived intangible assets (excluding goodwill)	53.7	53.5
Patents, tradenames and trademarks
Other Intangible Assets [Line Items]
Finite-lived intangible assets, gross	143.5	133.8
Accumulated Amortization	(41.0)	(38.0)
Customer/agent relationships and other
Other Intangible Assets [Line Items]
Finite-lived intangible assets, gross	403.2	331.2
Accumulated Amortization	$ (117.1)	$ (108.3)