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Financial Instruments - Income Statement (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2016 | Jun. 30, 2015 | Jun. 30, 2016 | Jun. 30, 2015 | Dec. 31, 2015
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income, Effective Portion, Net [Abstract] |  |  |  |  |
Accumulated other comprehensive income (loss), cumulative changes in net gain (loss) from cash flow hedges, before tax | $ 0.6 |  | $ 0.6 |  | $ 10.1
Gain (loss) expected to be reclassified in one year or less |  |  | 0.7 |  |
Interest rate swaps | Interest expense and finance charges |  |  |  |  |
Derivatives Designated As Net Investment Hedges Under Topic 815 Abstract |  |  |  |  |
Gain (loss) recognized in net income | 2.6 |  | 11.3 |  |
Foreign currency |  |  |  |  |
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income, Effective Portion, Net [Abstract] |  |  |  |  |
Accumulated other comprehensive income (loss), cumulative changes in net gain (loss) from cash flow hedges, before tax | 1.4 |  | 1.4 |  | (0.1)
Gain (loss) expected to be reclassified in one year or less |  |  | 1.4 |  |
Foreign currency | Sales |  |  |  |  |
Derivatives Designated As Net Investment Hedges Under Topic 815 Abstract |  |  |  |  |
Gain (loss) reclassified from accumulated OCI into net income, effective portion, net | 0.2 |  | 0.2 | $ (0.3) |
Foreign currency | Cost of goods sold |  |  |  |  |
Derivatives Designated As Net Investment Hedges Under Topic 815 Abstract |  |  |  |  |
Gain (loss) reclassified from accumulated OCI into net income, effective portion, net | 0.3 | $ 2.3 | (0.2) | 3.8 |
Foreign currency | SG&A expense |  |  |  |  |
Derivatives Designated As Net Investment Hedges Under Topic 815 Abstract |  |  |  |  |
Gain (loss) recognized in net income, ineffective portion and amount excluded from effectiveness testing, net | (0.1) |  | 0.1 | 0.1 |
Foreign currency | SG&A expense |  |  |  |  |
Derivatives Designated As Net Investment Hedges Under Topic 815 Abstract |  |  |  |  |
Gain (loss) recognized in net income, ineffective portion and amount excluded from effectiveness testing, net |  | $ (0.1) |  | $ (0.4) |
Commodity contracts |  |  |  |  |
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income, Effective Portion, Net [Abstract] |  |  |  |  |
Accumulated other comprehensive income (loss), cumulative changes in net gain (loss) from cash flow hedges, before tax | (0.7) |  | (0.7) |  | (2.1)
Gain (loss) expected to be reclassified in one year or less |  |  | (0.7) |  |
Commodity contracts | Cost of goods sold |  |  |  |  |
Derivatives Designated As Net Investment Hedges Under Topic 815 Abstract |  |  |  |  |
Gain (loss) reclassified from accumulated OCI into net income, effective portion, net | (1.0) |  | (1.1) |  |
Net investment hedge |  |  |  |  |
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income, Effective Portion, Net [Abstract] |  |  |  |  |
Accumulated other comprehensive income (loss), cumulative changes in net gain (loss) from cash flow hedges, before tax | 12.3 |  | 12.3 |  | 12.2
Gain (loss) expected to be reclassified in one year or less |  |  | 0.0 |  |
Foreign currency denominated debt designated as a net investment hedge [Member] |  |  |  |  |
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income, Effective Portion, Net [Abstract] |  |  |  |  |
Accumulated other comprehensive income (loss), cumulative change in foreign currency denominated debt, before tax | (12.4) |  | (12.4) |  | $ 0.1
Fixed rate debt swapped to floating [Member] | Interest expense and finance charges |  |  |  |  |
Derivatives Designated As Net Investment Hedges Under Topic 815 Abstract |  |  |  |  |
Gain (loss) recognized in net income | $ (2.6) |  | $ (11.3) |  |

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- Definition The estimated net amount of existing gains or losses on cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=35736893&loc=d3e80748-113994 + Details
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- Definition The portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments representing (a) the amount of the hedge ineffectiveness and (b) the amount, if any, excluded from the assessment of hedge effectiveness. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=64837297&loc=SL5624171-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 25 -Section 50 -Paragraph 1 -Subparagraph (a)(1),(2) -URI http://asc.fasb.org/extlink&oid=6886632&loc=d3e76258-113986 + Details
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- Definition Total amount of gain (loss) derived from fair value hedges recognized in earnings in the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=64837297&loc=SL5624171-113959 + Details
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