Derivative Instruments and Hedging Activities (Fair Value of Derivative Instruments Outstanding) (Details) (USD $) In Millions, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Derivatives not designated as hedges, asset	$ 0.3	$ 0.6
Derivatives not designated as hedges, liability	7.0	5.0
Total derivatives, asset	0.3	0.6
Total derivatives, liability	7.0	5.0
Foreign Exchange Forward Contracts [Member] \| Prepaid expenses and other [Member]
Derivatives not designated as hedges, asset	0.3	0.6
Foreign Exchange Forward Contracts [Member] \| Accounts payable [Member]
Derivatives not designated as hedges, liability	$ 7.0	$ 5.0

Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.

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Fair value, before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.

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