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Supplemental Cash Flow Information (Tables) | 6 Months Ended
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Jun. 30, 2014
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.
| Six Months Ended June 30,
| 2014 |  | 2013
(Increase) decrease in: |  |  |
Accounts receivable | $ | 20,827 |  |  | $ | (82,346 | )
Inventories | (44,523 | ) |  | (858 | )
Other current assets | 47,542 |  |  | 11,135 |
Increase (decrease) in: |  |  |
Accounts payable | 13,436 |  |  | 66,860 |
Accrued liabilities | (43,971 | ) |  | 3,741 |
Net changes in components of operating assets and liabilities | $ | (6,689 | ) |  | $ | (1,468 | )

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