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Supplemental Cash Flow Information (Tables) | 9 Months Ended
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Sep. 30, 2015
Supplemental Cash Flow Elements [Abstract] |
Net Changes In Components Of Operating Assets And Liabilities | The following table provides information regarding the net changes in components of operating assets and liabilities.
| Nine Months Ended September 30,
| 2015 |  | 2014
(Increase) decrease in: |  |  |
Accounts receivable | $ | 72,372 |  |  | $ | 43,591 |
Inventories | (1,481 | ) |  | (14,060 | )
Deferred charges | (7,256 | ) |  | — |
Other current assets | (7,014 | ) |  | 48,582 |
Increase (decrease) in: |  |  |
Accounts payable | (70,980 | ) |  | (8,576 | )
Accrued liabilities | 21,740 |  |  | (30,487 | )
Net changes in components of operating assets and liabilities | 7,381 |  |  | 39,050 |

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