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Income Tax (Expense) Recovery | 6 Months Ended
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Jun. 30, 2013
Income Tax Disclosure [Abstract] |
Income Tax (Expense) Recovery | 15. 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 |
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 |
The majority of the net decrease for positions for the six months ended June 30, 2013 relates to foreign currency exchange gains. The Company does not presently anticipate such uncertain tax positions will significantly increase or decrease in the next 12 months; however, actual developments could differ from those currently expected.

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- Definition The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information. + 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 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph h -Article 4 Reference 4: 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 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32559-109319 + Details
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