Financial Instrument, Risk Management and Fair Value Measurements, Derivatives Fair Value Balance Sheet Presentation (Details) (USD $)
In Millions, unless otherwise specified |
Jun. 30, 2014
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Dec. 31, 2013
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Derivatives, Fair Value [Line Items] | ||||||||||||||||||||
Derivative Asset, Fair Value, Gross Asset | $ 6.9 | [1] | $ 12.5 | [1] | ||||||||||||||||
Derivative Asset, Fair Value, Net Asset | 1.3 | [1] | 5.6 | [1] | ||||||||||||||||
Derivative Liability, Fair Value, Net Liability | (8.5) | [2] | (12.0) | [2] | ||||||||||||||||
Derivative Liability, Fair Value, Gross Liability | (14.1) | [2] | (18.9) | [2] | ||||||||||||||||
Derivative Amounts Netted on the statement of financial position | 0 | [3] | 0 | [3] | ||||||||||||||||
Derivative, Fair Value, Net | (7.2) | (6.4) | ||||||||||||||||||
Fair Value by Asset Class [Domain]
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Derivatives, Fair Value [Line Items] | ||||||||||||||||||||
Derivative Amounts Netted on the statement of financial position | (5.6) | [1],[3] | (6.9) | [1],[3] | ||||||||||||||||
Derivative Financial Instruments, Liabilities [Member]
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Derivatives, Fair Value [Line Items] | ||||||||||||||||||||
Derivative Amounts Netted on the statement of financial position | 5.6 | [2],[3] | 6.9 | [2],[3] | ||||||||||||||||
Foreign Exchange Contracts [Member] | Prepaid and Other Current Assets [Member]
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Derivatives, Fair Value [Line Items] | ||||||||||||||||||||
Derivative Asset, Fair Value, Gross Asset | 5.8 | 11.8 | ||||||||||||||||||
Derivative Asset, Fair Value, Net Asset | 0.4 | 5.1 | ||||||||||||||||||
Derivative Amounts Netted on the statement of financial position | (5.4) | [3] | (6.7) | [3] | ||||||||||||||||
Foreign Exchange Contracts [Member] | Accured and Other Liabilities [Member]
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Derivatives, Fair Value [Line Items] | ||||||||||||||||||||
Derivative Liability, Fair Value, Net Liability | (8.3) | (11.6) | ||||||||||||||||||
Derivative Liability, Fair Value, Gross Liability | (13.7) | (18.3) | ||||||||||||||||||
Derivative Amounts Netted on the statement of financial position | 5.4 | [3] | 6.7 | [3] | ||||||||||||||||
Energy Contracts [Member] | Prepaid and Other Current Assets [Member]
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Derivatives, Fair Value [Line Items] | ||||||||||||||||||||
Derivative Asset, Fair Value, Gross Asset | 1.1 | 0.7 | ||||||||||||||||||
Derivative Asset, Fair Value, Net Asset | 0.9 | 0.5 | ||||||||||||||||||
Derivative Amounts Netted on the statement of financial position | (0.2) | [3] | (0.2) | [3] | ||||||||||||||||
Energy Contracts [Member] | Accured and Other Liabilities [Member]
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Derivatives, Fair Value [Line Items] | ||||||||||||||||||||
Derivative Liability, Fair Value, Net Liability | (0.2) | (0.4) | ||||||||||||||||||
Derivative Liability, Fair Value, Gross Liability | (0.4) | (0.6) | ||||||||||||||||||
Derivative Amounts Netted on the statement of financial position | 0.2 | [3] | 0.2 | [3] | ||||||||||||||||
Derivatives Designated as Hedging Instruments [Member] | Cash Flow Hedging [Member]
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Derivatives, Fair Value [Line Items] | ||||||||||||||||||||
Derivative Asset, Fair Value, Gross Asset | 6.8 | [1] | 7.0 | [1] | ||||||||||||||||
Derivative Liability, Fair Value, Gross Liability | (7.9) | [2] | (18.3) | [2] | ||||||||||||||||
Derivative, Fair Value, Net | (1.1) | (11.3) | ||||||||||||||||||
Derivatives Designated as Hedging Instruments [Member] | Cash Flow Hedging [Member] | Foreign Exchange Contracts [Member] | Prepaid and Other Current Assets [Member]
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Derivatives, Fair Value [Line Items] | ||||||||||||||||||||
Derivative Asset, Fair Value, Gross Asset | 5.7 | 6.3 | ||||||||||||||||||
Derivatives Designated as Hedging Instruments [Member] | Cash Flow Hedging [Member] | Foreign Exchange Contracts [Member] | Accured and Other Liabilities [Member]
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Derivatives, Fair Value [Line Items] | ||||||||||||||||||||
Derivative Liability, Fair Value, Gross Liability | (7.5) | (17.7) | ||||||||||||||||||
Derivatives Designated as Hedging Instruments [Member] | Cash Flow Hedging [Member] | Energy Contracts [Member] | Prepaid and Other Current Assets [Member]
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Derivatives, Fair Value [Line Items] | ||||||||||||||||||||
Derivative Asset, Fair Value, Gross Asset | 1.1 | 0.7 | ||||||||||||||||||
Derivatives Designated as Hedging Instruments [Member] | Cash Flow Hedging [Member] | Energy Contracts [Member] | Accured and Other Liabilities [Member]
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Derivatives, Fair Value [Line Items] | ||||||||||||||||||||
Derivative Liability, Fair Value, Gross Liability | (0.4) | (0.6) | ||||||||||||||||||
Derivatives Not Designated as Hedging Instruments [Member]
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Derivatives, Fair Value [Line Items] | ||||||||||||||||||||
Derivative Asset, Fair Value, Gross Asset | 0.1 | [1] | 5.5 | [1] | ||||||||||||||||
Derivative Liability, Fair Value, Gross Liability | (6.2) | [2] | (0.6) | [2] | ||||||||||||||||
Derivative, Fair Value, Net | (6.1) | 4.9 | ||||||||||||||||||
Derivatives Not Designated as Hedging Instruments [Member] | Foreign Exchange Contracts [Member] | Prepaid and Other Current Assets [Member]
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Derivatives, Fair Value [Line Items] | ||||||||||||||||||||
Derivative Asset, Fair Value, Gross Asset | 0.1 | 5.5 | ||||||||||||||||||
Derivatives Not Designated as Hedging Instruments [Member] | Foreign Exchange Contracts [Member] | Accured and Other Liabilities [Member]
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Derivatives, Fair Value [Line Items] | ||||||||||||||||||||
Derivative Liability, Fair Value, Gross Liability | (6.2) | (0.6) | ||||||||||||||||||
Derivatives Not Designated as Hedging Instruments [Member] | Energy Contracts [Member] | Prepaid and Other Current Assets [Member]
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Derivatives, Fair Value [Line Items] | ||||||||||||||||||||
Derivative Asset, Fair Value, Gross Asset | 0 | 0 | ||||||||||||||||||
Derivatives Not Designated as Hedging Instruments [Member] | Energy Contracts [Member] | Accured and Other Liabilities [Member]
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Derivatives, Fair Value [Line Items] | ||||||||||||||||||||
Derivative Liability, Fair Value, Gross Liability | 0 | 0 | ||||||||||||||||||
Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member]
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Derivatives, Fair Value [Line Items] | ||||||||||||||||||||
Other Assets, Fair Value Disclosure | 30.6 | [4] | 32.7 | [4] | ||||||||||||||||
Assets, Fair Value Disclosure | 30.6 | 32.7 | ||||||||||||||||||
Other Liabilities, Fair Value Disclosure | 33.9 | [5] | 37.4 | [6] | ||||||||||||||||
Liabilities, Fair Value Disclosure | 33.9 | 37.4 | ||||||||||||||||||
Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | Foreign Exchange Contracts [Member]
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Derivatives, Fair Value [Line Items] | ||||||||||||||||||||
Derivative Asset, Fair Value, Gross Asset | 0 | [7] | 0 | [8] | ||||||||||||||||
Derivative Liability, Fair Value, Gross Liability | 0 | [7] | 0 | [8] | ||||||||||||||||
Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | Energy Contracts [Member]
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Derivatives, Fair Value [Line Items] | ||||||||||||||||||||
Derivative Asset, Fair Value, Gross Asset | 0 | 0 | ||||||||||||||||||
Derivative Liability, Fair Value, Gross Liability | 0 | [7] | 0 | [8] | ||||||||||||||||
Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member]
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Derivatives, Fair Value [Line Items] | ||||||||||||||||||||
Other Assets, Fair Value Disclosure | 0 | [4] | 0 | [4] | ||||||||||||||||
Assets, Fair Value Disclosure | 1.3 | 5.6 | ||||||||||||||||||
Other Liabilities, Fair Value Disclosure | 1.1 | [5] | 0 | [6] | ||||||||||||||||
Liabilities, Fair Value Disclosure | 9.6 | 12.0 | ||||||||||||||||||
Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Foreign Exchange Contracts [Member]
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Derivatives, Fair Value [Line Items] | ||||||||||||||||||||
Derivative Asset, Fair Value, Gross Asset | 0.4 | [7] | 5.1 | [8] | ||||||||||||||||
Derivative Liability, Fair Value, Gross Liability | (8.3) | [7] | (11.6) | [8] | ||||||||||||||||
Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Energy Contracts [Member]
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Derivatives, Fair Value [Line Items] | ||||||||||||||||||||
Derivative Asset, Fair Value, Gross Asset | 0.9 | 0.5 | ||||||||||||||||||
Derivative Liability, Fair Value, Gross Liability | (0.2) | [7] | (0.4) | [8] | ||||||||||||||||
Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring [Member]
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Derivatives, Fair Value [Line Items] | ||||||||||||||||||||
Other Assets, Fair Value Disclosure | 0 | [4] | 0 | [4] | ||||||||||||||||
Assets, Fair Value Disclosure | 0 | 0 | ||||||||||||||||||
Other Liabilities, Fair Value Disclosure | 0 | [5] | 0 | [6] | ||||||||||||||||
Liabilities, Fair Value Disclosure | 0 | 0 | ||||||||||||||||||
Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring [Member] | Foreign Exchange Contracts [Member]
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Derivatives, Fair Value [Line Items] | ||||||||||||||||||||
Derivative Asset, Fair Value, Gross Asset | 0 | [7] | 0 | [8] | ||||||||||||||||
Derivative Liability, Fair Value, Gross Liability | 0 | [7] | 0 | [8] | ||||||||||||||||
Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring [Member] | Energy Contracts [Member]
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Derivatives, Fair Value [Line Items] | ||||||||||||||||||||
Derivative Asset, Fair Value, Gross Asset | 0 | 0 | ||||||||||||||||||
Derivative Liability, Fair Value, Gross Liability | $ 0 | [7] | $ 0 | [8] | ||||||||||||||||
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