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Income Tax (Expense) Recovery (Tables) | 6 Months Ended
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Jun. 30, 2013
Income Tax Disclosure [Abstract] |
Components of Provision for Income Tax (Expense) Recovery | The components of the provision for income tax (expense) recovery are as follows:
|  | Three Months Ended June 30, |  |  | Six Months Ended June 30, |
|  | 2013 |  |  | 2012 |  |  | 2013 |  |  | 2012 |
|  | $ |  |  | $ |  |  | $ |  |  | $ |
Current |  |  | (1,943 | ) |  |  | 2,139 |  |  |  | (4,057 | ) |  |  | 5,973 |
Deferred |  |  | 70 |  |  |  | (290 | ) |  |  | (316 | ) |  |  | (556 | )
Income tax (expense) recovery |  |  | (1,873 | ) |  |  | 1,849 |  |  |  | (4,373 | ) |  |  | 5,417 |
Unrecognized Tax Benefits, Recorded in Other Long-Term Liabilities | The following reflects the changes in the Company’s unrecognized tax benefits, recorded in other long-term liabilities, from December 31, 2012 to June 30, 2013:
Balance of unrecognized tax benefits as at January 1, 2013 |  | $ | 29,364 |
Decrease for positions taken in prior years |  |  | (267 | )
Decrease for positions related to the current period |  |  | (924 | )
Decrease related to statute of limitations |  |  | (388 | )
Balance of unrecognized tax benefits as at June 30, 2013 |  | $ | 27,785 |

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- Definition Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32639-109319 + Details
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- Definition Tabular disclosure of tax positions taken in the tax returns filed or to be filed for which it is more likely than not that the tax position will not be sustained upon examination by taxing authorities (i.e., uncertain tax positions) and other types of income tax contingencies, including: (1) the policy on classification of interest and penalties; (2) a tabular reconciliation of the total amounts of unrecognized tax benefits at the beginning and end of the period; the total amount(s) of: (3) unrecognized tax benefits that, if recognized, would affect the effective tax rate, and (4) interest and penalties recognized in each of the income statement and balance sheet; (5) for positions for which it is reasonably possible that the total amounts unrecognized will significantly change within 12 months of the reporting date the: (i) nature of the uncertainty, (ii) nature of the event that could occur that would cause the change, and (iii) an estimate of the range of the reasonably possible change or a statement that an estimate of the range cannot be made; and (6) a description of tax years that remain subject to examination by major tax jurisdictions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32718-109319 + Details
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