Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

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-Name Accounting Standards Codification

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-SubTopic 20

-Section 50

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Amount before tax of foreign currency transaction realized and unrealized gain (loss) recognized in the income statement.

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-Name Accounting Standards Codification

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Fair Value Measurements - Other Derivative Instruments (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Notional Amount	$ 110.1invest_DerivativeNotionalAmount	$ 163.2invest_DerivativeNotionalAmount
Foreign currency forward contracts
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Gain (Loss) on foreign currency contracts	(0.8)	1.7	0.7
Other Current Assets
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative assets fair value	7.3	5.1
Other Current Liabilities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative liabilities fair value	0	(0.7)
Hedges designated as hedging instruments \| Cash flow hedges
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Notional Amount	86.7	133.8
Hedges designated as hedging instruments \| Cash flow hedges \| Other Current Assets
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative assets fair value	7.3	5.1
Hedges designated as hedging instruments \| Cash flow hedges \| Other Current Liabilities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative liabilities fair value	0	(0.7)
Other hedges not receiving hedge accounting
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Notional Amount	23.4	29.4
Other hedges not receiving hedge accounting \| Other Current Assets
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative assets fair value	0	0
Other hedges not receiving hedge accounting \| Other Current Liabilities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative liabilities fair value	0	0
Other Expense
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Foreign currency transaction gain (loss)	$ 2.2	$ 0.5	$ 1.6