Goodwill and Other Intangible Assets, Table (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2017	Dec. 31, 2016
Intangible assets
Indefinite-lived trade name intangible asset	$ 186.1	$ 186.1
Gross Carrying Amount	524.5	521.8
Accumulated Amortization	245.2	233.5
Net Carrying Amount	$ 279.3	288.3
Weighted average useful lives of acquired amortizable intangible assets	10 years
Customer relationships
Intangible assets
Gross Carrying Amount	$ 383.2	381.1
Accumulated Amortization	168.6	159.1
Net Carrying Amount	$ 214.6	222.0
Weighted average useful lives of acquired amortizable intangible assets	10 years
Proprietary technology
Intangible assets
Gross Carrying Amount	$ 107.3	106.7
Accumulated Amortization	43.1	40.9
Net Carrying Amount	$ 64.2	65.8
Weighted average useful lives of acquired amortizable intangible assets	11 years
Backlog and other
Intangible assets
Gross Carrying Amount	$ 34.0	34.0
Accumulated Amortization	33.5	33.5
Net Carrying Amount	$ 0.5	$ 0.5
Weighted average useful lives of acquired amortizable intangible assets	2 years