Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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The sum of the current income tax expense or benefit and the deferred income tax expense or benefit pertaining to continuing operations.

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- Definition

This element represents the amount of statutory penalties accrued as of the date of the statement of financial position for a tax position claimed or expected to be claimed by the entity, in its tax return, that does not meet the minimum statutory threshold to avoid payment of penalties.

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- Definition

This element represents the total of accruals as of the date of the statement of financial position for interest recognized for an underpayment of income taxes computed by applying the applicable statutory rate of interest to the difference between a tax position recognized for financial reporting purposes and the amount previously taken or expected to be taken in a tax return of the entity and the amount of statutory penalties for a tax position claimed or expected to be claimed by the entity, in its tax return, that does not meet the minimum statutory threshold to avoid payment of penalties.

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- Definition

This element represents the amount of interest expense accrued as of the date of the statement of financial position for an underpayment of income taxes computed by applying the applicable statutory rate of interest to the difference between a tax position recognized for financial reporting purposes and the amount previously taken or expected to be taken in a tax return of the entity.

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INCOME TAXES (Details) (USD $)	3 Months Ended
INCOME TAXES (Details) (USD $)	Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2012
Income tax Expense Benefit
Recovery of (provision for) income taxes recognized	$ 27,264,000	$ 260,000
Valuation allowance against deferred tax assets	124,500,000		124,500,000
Unrecognized tax benefits including interest and penalties	132,400,000
Unrecognized tax benefits related to interest and penalties	24,900,000
Portion of unrecognized tax benefits, if recognized, would reduce the Company's effective tax rate	93,000,000
Accrued interest related to unrecognized tax benefits	500,000
Accrued penalties related to unrecognized tax benefits	100,000
Maximum
Income tax Expense Benefit
Estimated amount of unrecognized tax benefits that may be resolved within the next 12 months	14,400,000
Canada
Income tax Expense Benefit
Recovery of (provision for) income taxes recognized	(1,400,000)
Outside of Canada
Income tax Expense Benefit
Recovery of (provision for) income taxes recognized	$ 28,700,000