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v3.8.0.1

Fair Value Measurements - Commodity and Foreign Currency Contracts (Details) - USD ($) $ in Millions | Dec. 31, 2017 | Dec. 31, 2016
--- | --- | ---
Assets: |  |
Gross Amounts Recognized | $ 312.0 | $ 347.2
Gross Amounts Offset | 235.2 | 254.8
Net Amounts Presented | 76.9 | 92.4
Cash Collateral | 21.2 | 27.1
Gross Amounts Without Right of Offset | 0.0 | 0.0
Net Amounts | 55.7 | 65.3
Liabilities: |  |
Gross Amounts Recognized | 332.5 | 332.5
Gross Amounts Offset | 235.2 | 254.8
Net Amounts Presented | 97.4 | 77.7
Cash Collateral | 39.2 | 2.0
Gross Amounts Without Right of Offset | 0.0 | 0.0
Net Amounts | 58.2 | 75.7
Commodity contracts |  |
Assets: |  |
Gross Amounts Recognized | 303.6 | 331.2
Gross Amounts Offset | 228.4 | 249.7
Net Amounts Presented | 75.1 | 81.5
Cash Collateral | 21.2 | 27.1
Gross Amounts Without Right of Offset | 0.0 | 0.0
Net Amounts | 53.9 | 54.5
Liabilities: |  |
Gross Amounts Recognized | 323.9 | 326.1
Gross Amounts Offset | 228.4 | 249.7
Net Amounts Presented | 95.4 | 76.5
Cash Collateral | 39.2 | 2.0
Gross Amounts Without Right of Offset | 0.0 | 0.0
Net Amounts | 56.2 | 74.5
Foreign currency contracts |  |
Assets: |  |
Gross Amounts Recognized | 8.5 | 16.0
Gross Amounts Offset | 6.7 | 5.1
Net Amounts Presented | 1.7 | 10.9
Cash Collateral | 0.0 | 0.0
Gross Amounts Without Right of Offset | 0.0 | 0.0
Net Amounts | 1.7 | 10.9
Liabilities: |  |
Gross Amounts Recognized | 8.7 | 6.4
Gross Amounts Offset | 6.7 | 5.1
Net Amounts Presented | 2.0 | 1.2
Cash Collateral | 0.0 | 0.0
Gross Amounts Without Right of Offset | 0.0 | 0.0
Net Amounts | $ 2.0 | $ 1.2

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