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Fair Value Measurements (Tables) | 12 Months Ended
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Dec. 31, 2014
Fair Value Measurements |
Schedule of assets and liabilities measured at estimated fair value on a recurring basis |
|  |  |  |  |  |  |  |  |  |  |  |  |  | Netting and |  |  |
|  | Level 1 |  | Level 2 |  | Level 3 |  | Sub-Total |  | Collateral |  | Total
2014 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commodity contracts |  | $ | 173,688 |  | $ | 495,628 |  | $ | 4,150 |  | $ | 673,466 |  | $ | (367,984) |  | $ | 305,482
Foreign currency contracts |  |  | — |  |  | 21,757 |  |  | — |  |  | 21,757 |  |  | (11,970) |  |  | 9,787
Cash surrender value of life insurance |  |  | — |  |  | 2,224 |  |  | — |  |  | 2,224 |  |  | — |  |  | 2,224
Total |  | $ | 173,688 |  | $ | 519,609 |  | $ | 4,150 |  | $ | 697,447 |  | $ | (379,954) |  | $ | 317,493
Liabilities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commodity contracts |  | $ | 306,360 |  | $ | 329,887 |  | $ | 1,353 |  | $ | 637,600 |  | $ | (595,565) |  | $ | 42,035
Foreign currency contracts |  |  | — |  |  | 11,970 |  |  | — |  |  | 11,970 |  |  | (11,970) |  |  | —
Inventories |  |  | — |  |  | 22,889 |  |  | — |  |  | 22,889 |  |  | — |  |  | 22,889
Total |  | $ | 306,360 |  | $ | 364,746 |  | $ | 1,353 |  | $ | 672,459 |  | $ | (607,535) |  | $ | 64,924
2013 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commodity contracts |  | $ | 11,574 |  | $ | 39,880 |  | $ | — |  | $ | 51,454 |  | $ | (35,983) |  | $ | 15,471
Foreign currency contracts |  |  | — |  |  | 8,486 |  |  | — |  |  | 8,486 |  |  | (6,350) |  |  | 2,136
Inventories |  |  | — |  |  | 1,483 |  |  | — |  |  | 1,483 |  |  | — |  |  | 1,483
Total |  | $ | 11,574 |  | $ | 49,849 |  | $ | — |  | $ | 61,423 |  | $ | (42,333) |  | $ | 19,090
Liabilities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commodity contracts |  | $ | 14,032 |  | $ | 31,983 |  | $ | — |  | $ | 46,015 |  | $ | (31,329) |  | $ | 14,686
Foreign currency contracts |  |  | — |  |  | 11,803 |  |  | — |  |  | 11,803 |  |  | (6,350) |  |  | 5,453
Total |  | $ | 14,032 |  | $ | 43,786 |  | $ | — |  | $ | 57,818 |  | $ | (37,679) |  | $ | 20,139
Schedule of derivative instruments at fair value and their locations on the balance sheets |
|  | As of December 31,
|  | 2014 |  | 2013
Commodity Contracts |  |  |  |  |  |
Assets: |  |  |  |  |  |
Short-term derivative assets, net |  | $ | 294,316 |  | $ | 14,723
Identifiable intangible and other non-current assets |  |  | 11,166 |  |  | 748
Total net assets |  | $ | 305,482 |  | $ | 15,471
Liabilities: |  |  |  |  |  |
Accrued expenses and other current liabilities |  | $ | 41,346 |  | $ | 14,332
Other long-term liabilities |  |  | 689 |  |  | 354
Total net liabilities |  | $ | 42,035 |  | $ | 14,686
Foreign Currency Contracts |  |  |  |  |  |
Assets: |  |  |  |  |  |
Short-term derivative assets, net |  | $ | 9,283 |  | $ | 2,136
Identifiable intangible and other non-current assets |  |  | 504 |  |  | —
Total net assets |  | $ | 9,787 |  | $ | 2,136
Liabilities: |  |  |  |  |  |
Accrued expenses and other current liabilities |  | $ | — |  | $ | 5,306
Other long-term liabilities |  |  | — |  |  | 147
Total net liabilities |  | $ | — |  | $ | 5,453
Schedule of assets and liabilities that are measured at fair value on a recurring basis that utilized Level 3 inputs |
|  |  |  |  | Realized and |  |  |  |  |  |  |  |  |  |  | Change in Unrealized |  | Location of Realized
|  |  |  |  | Unrealized Gains |  |  |  |  |  |  |  |  |  |  | Gains Relating to |  | and Unrealized
|  |  |  |  | (Losses) |  |  |  |  |  |  |  |  |  |  | Assets and Liabilities |  | Gains (Losses)
|  | Beginning |  | Included in |  |  |  |  |  | Transfers |  | End |  | that are Held at |  | Included in
|  | of Period |  | Earnings |  | Settlements |  | into Level 3 |  | of Period |  | End of Period |  | Earnings
2014 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commodity contracts |  | $ | — |  | $ | 12,702 |  | $ | 8,969 |  | $ | 417 |  | $ | 4,150 |  | $ | 4,150 |  | Revenue
Liabilities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commodity contracts |  | $ | — |  | $ | (1,439) |  | $ | 86 |  | $ | — |  | $ | (1,353) |  | $ | (1,353) |  | Cost of revenue
2013 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Liabilities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commodity contracts |  | $ | — |  | $ | (20) |  | $ | 20 |  | $ | — |  | $ | — |  | $ | — |  | Cost of revenue

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- Definition Tabular disclosure of the fair value of financial instruments, including financial assets and financial liabilities, and the measurements of those instruments, assets, and liabilities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=35750535&loc=d3e13433-108611 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=35750535&loc=d3e13467-108611 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=35750535&loc=d3e13476-108611 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 30 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6957238&loc=d3e14172-108612 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6447952&loc=d3e13220-108610 + Details
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- Definition Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19190-110258 + Details
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