Other Intangible Assets (Schedule of Other Intangible Assets) (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2015	Dec. 31, 2014
Acquired Finite And Indefinite Lived Intangible Assets [Line Items]
Acquisition Costs, Total	$ 115.4	$ 103.6
Accumulated Amortization	20.5	15.5
Net, Total	94.9	88.1
Indefinite-lived tradenames [Member]
Acquired Finite And Indefinite Lived Intangible Assets [Line Items]
Acquisition Costs, Indefinite-lived	$ 18.7	14.0
Non-contractual customer relationships [Member]
Acquired Finite And Indefinite Lived Intangible Assets [Line Items]
Weighted Average Useful Life	12 years 2 months 12 days
Acquisition Costs, Finite-lived	$ 76.5	77.3
Accumulated Amortization	17.3	13.2
Net, Finite-lived	$ 59.2	64.1
Technology [Member]
Acquired Finite And Indefinite Lived Intangible Assets [Line Items]
Weighted Average Useful Life	19 years 1 month 6 days
Acquisition Costs, Finite-lived	$ 16.1	8.2
Accumulated Amortization	0.7	0.1
Net, Finite-lived	$ 15.4	8.1
Other [Member]
Acquired Finite And Indefinite Lived Intangible Assets [Line Items]
Weighted Average Useful Life	8 years 8 months 12 days
Acquisition Costs, Finite-lived	$ 4.1	4.1
Accumulated Amortization	2.5	2.2
Net, Finite-lived	$ 1.6	$ 1.9