|
Derivatives (Details 3) (USD $)
|
3 Months Ended |
|
Mar. 31, 2015
|
Mar. 31, 2014
|
| Gain (loss) on derivative |
|
|
| Gains or losses that were excluded from the assessment of the effectiveness of fair value hedges |
$ 0 |
$ 0 |
| Derivatives designated as hedging instruments | Fair value hedges | Commodity contracts | Cost of revenue. |
|
|
| Gain (loss) on derivative |
|
|
| Realized and Unrealized Gain (Loss) on Hedge |
4,000,000 |
400,000 |
| Realized and Unrealized Gain (Loss) on Hedged Item |
(500,000) |
(7,600,000) |
| Derivatives not designated as hedging instruments |
|
|
| Gain (loss) on derivative |
|
|
| Realized and Unrealized Gain (Loss) |
22,000,000 |
15,500,000 |
| Derivatives not designated as hedging instruments | Commodity contracts | Revenue |
|
|
| Gain (loss) on derivative |
|
|
| Realized and Unrealized Gain (Loss) |
20,600,000 |
6,900,000 |
| Derivatives not designated as hedging instruments | Commodity contracts | Cost of revenue. |
|
|
| Gain (loss) on derivative |
|
|
| Realized and Unrealized Gain (Loss) |
(11,700,000) |
9,600,000 |
| Derivatives not designated as hedging instruments | Foreign currency contracts | Revenue |
|
|
| Gain (loss) on derivative |
|
|
| Realized and Unrealized Gain (Loss) |
3,900,000 |
(300,000) |
| Derivatives not designated as hedging instruments | Foreign currency contracts | Other income (expense), net |
|
|
| Gain (loss) on derivative |
|
|
| Realized and Unrealized Gain (Loss) |
$ 9,200,000 |
$ (700,000) |