Goodwill and Other Intangible Assets (Details 2) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2014
Components of amortized intangible assets
Gross Carrying Amount	$ 278.1		$ 296.4
Accumulated Amortization	(129.0)		(127.8)
Amortization expense for intangible assets	10.3	$ 11.6
Estimated amortization expense
Remainder of fiscal year	3.4
2016	13.7
2017	13.6
2018	13.6
2019	13.4
2020	12.4
Contract based
Components of amortized intangible assets
Gross Carrying Amount	10.3		10.7
Accumulated Amortization	(1.3)		(1.2)
Technology based
Components of amortized intangible assets
Gross Carrying Amount	79.6		81.0
Accumulated Amortization	(46.3)		(43.9)
Marketing related
Components of amortized intangible assets
Gross Carrying Amount	12.5		16.3
Accumulated Amortization	(7.6)		(9.1)
Customer based
Components of amortized intangible assets
Gross Carrying Amount	175.7		188.4
Accumulated Amortization	$ (73.8)		$ (73.6)