Goodwill and Other Intangible Assets (Details 2) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013
Components of amortized intangible assets
Gross Carrying Amount	$ 301.3		$ 331.9
Accumulated Amortization	(126.0)		(141.3)
Amortization expense for intangible assets	11.6	11.6
Estimated amortization expense
Remainder of fiscal year	3.9
2015	15.5
2016	15.4
2017	15.3
2018	15.3
2019	15.0
Contract based
Components of amortized intangible assets
Gross Carrying Amount	10.9		26.2
Accumulated Amortization	(1.2)		(14.4)
Technology based
Components of amortized intangible assets
Gross Carrying Amount	81.5		82.6
Accumulated Amortization	(42.9)		(40.9)
Marketing related
Components of amortized intangible assets
Gross Carrying Amount	17.2		23.0
Accumulated Amortization	(9.4)		(14.2)
Customer based
Components of amortized intangible assets
Gross Carrying Amount	191.7		200.1
Accumulated Amortization	$ (72.5)		$ (71.8)