SHAREHOLDERS' EQUITY (Tables)

6 Months Ended

Jun. 30, 2013

SHAREHOLDERS' EQUITY

Schedule of maximum number of common shares that would be outstanding if all instruments outstanding were exercised

Common shares outstanding at June 30, 2013	172,914,694
Employee stock options	11,653,991
Warrants	8,600,000
RSU plan	396,685
	193,565,370

Schedule of reconciliation for weighted average number of common shares in calculation of basic and diluted income per share

	Three Months Ended June 30,					Six Months Ended June 30,
	2013			2012		2013			2012
Net income (loss) for the period	$	(24,380	)	$	43,272	$	(521	)	$	121,820
Weighted average number of common shares outstanding — basic (in thousands)		172,572			170,985		172,426			170,937
Add: Dilutive impact of employee stock options		—			—		—			—
Dilutive impact of warrants		—			—		—			—
Dilutive impact of shares related to RSU plan		—			294		—			211
Weighted average number of common shares outstanding — diluted (in thousands)		172,572			171,279		172,426			171,148
Net income (loss) per share — basic	$	(0.14	)	$	0.25	$	(0.00	)	$	0.71
Net income (loss) per share — diluted	$	(0.14	)	$	0.25	$	(0.00	)	$	0.71

Schedule of changes in accumulated other comprehensive loss by component

	Cumulative Translation Adjustment			Available-for-sale Securities and Other Investments			Derivative Financial Instruments			Pension Benefits			Total
Accumulated other comprehensive (loss) income, December 31, 2012	$	(16,206	)	$	(7,680	)	$	137		$	(3,562	)	$	(27,311	)
Other comprehensive loss before reclassifications		—			(20,975	)		(1,851	)		—			(22,826	)
Tax expense		—			—			489			—			489
Reclassifications from accumulated other comprehensive (loss) income		—			28,308			20			262			28,590
Tax expense		—			—			(5	)		(69	)		(74	)
Other comprehensive income (loss) for the period		—			7,333			(1,347	)		193			6,179
Accumulated other comprehensive loss, June 30, 2013	$	(16,206	)	$	(347	)	$	(1,210	)	$	(3,369	)	$	(21,132	)