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Supplemental Cash Flow Information (Tables) | 12 Months Ended
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Dec. 31, 2011
Supplemental Cash Flow Information [Abstract] |
Changes in operating assets and liabilities |
|  | Year Ended |  |  | Year Ended |  |  | Year Ended |
|  | December 31, 2011 |  |  | December 31, 2010 |  |  | December 31, 2009 |
|  | $ |  |  | $ |  |  | $ |
Accounts receivable |  |  | (68,914 | ) |  |  | (21,820 | ) |  |  | 64,886 |
Prepaid expenses and other assets |  |  | (8,225 | ) |  |  | 12,719 |  |  |  | 35,006 |
Accounts payable |  |  | 12,216 |  |  |  | (11,002 | ) |  |  | (2,731 | )
Accrued and other liabilities |  |  | (19,424 | ) |  |  | 65,518 |  |  |  | 26,240 |
Other long-term liabilities |  |  | — |  |  |  | — |  |  |  | 25,254 |
|  |  | (84,347 | ) |  |  | 45,415 |  |  |  | 148,655 |

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- Definition Tabular disclosure of the net increase (decrease) in operating capital in the operating section of the statement of cash flows, represents the entire footnote disclosure that provides details regarding the net change during the reporting period of all assets and liabilities used in operating activities. + References No definition available. + Details
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- Details
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