Goodwill and Other Intangible Assets - Other Intangibles and Amortization (Details) - USD ($) $ in Millions	Jun. 30, 2016	Dec. 31, 2015
Other intangible assets, net
Other intangible assets, Acquired Cost	$ 1,157.5	$ 1,113.9
Other intangible assets, Accumulated Amortization	(255.9)	(226.1)
Other intangible assets, net	901.6	887.8
Estimated amortization expense
Remainder of 2016	31.2
2017	61.9
2018	61.8
2019	61.5
2020	58.1
Trade names
Assets not subject to amortization:
Acquired Cost	251.4	245.8
Intellectual property
Other intangible assets
Acquired Cost	187.7	180.7
Accumulated Amortization	(63.6)	(55.0)
Net Book Value	124.1	125.7
Customer relationships
Other intangible assets
Acquired Cost	693.3	673.9
Accumulated Amortization	(181.1)	(160.5)
Net Book Value	512.2	513.4
Other
Other intangible assets
Acquired Cost	25.1	13.5
Accumulated Amortization	(11.2)	(10.6)
Net Book Value	$ 13.9	$ 2.9