Derivative Instruments and Hedging Activity (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2014 Foreign Exchange Forward [Member] Cash Flow Hedging [Member]	Dec. 31, 2013 Foreign Exchange Forward [Member] Cash Flow Hedging [Member]	Mar. 31, 2014 Foreign Currency Denominated Debt, Net Investment Hedging [Member]	Dec. 31, 2013 Foreign Currency Denominated Debt, Net Investment Hedging [Member]
Derivative instruments and hedging activity for the period [Abstract]
Derivative, fair value		$ 28.3	$ 29.6
Carrying value of foreign denominated debt				110.3	96.5
Impact of foreign exchange rates on debt instruments recorded in Other Comprehensive Income	$ 0.3