Goodwill and Other Intangible Assets - Other Intangibles and Amortization (Details 2) - USD ($) $ in Millions	Mar. 31, 2016	Dec. 31, 2015	Mar. 31, 2015
Other intangible assets, net
Other intangible assets, Acquired Cost	$ 1,130.2		$ 1,113.9
Other intangible assets, Accumulated Amortization	(242.1)		(226.1)
Other intangible assets, net	888.1	$ 887.8	887.8
Estimated amortization expense
Remainder of 2016	45.0
2017	59.3
2018	59.2
2019	59.2
2020	56.0
Trade names
Assets not subject to amortization:
Acquired Cost	250.0		245.8
Intellectual property
Other intangible assets
Acquired Cost	189.2		180.7
Accumulated Amortization	(59.7)		(55.0)
Net Book Value	129.5		125.7
Customer relationships
Other intangible assets
Acquired Cost	677.4		673.9
Accumulated Amortization	(171.6)		(160.5)
Net Book Value	505.8		513.4
Other
Other intangible assets
Acquired Cost	13.6		13.5
Accumulated Amortization	(10.8)		(10.6)
Net Book Value	$ 2.8		$ 2.9