SHAREHOLDERS' EQUITY (Tables)

6 Months Ended

Jun. 30, 2014

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, 2014	208,524,366
Employee stock options	12,150,710
RSU plan	293,551
Common shares held in depositary relating to convertible debentures acquired from Osisko (note 10)	871,680
	221,840,307

Schedule of the weighted average number of common shares used in the calculation of basic and diluted net income (loss) per share

	Three Months Ended June 30,					Six Months Ended June 30,
	2014		2013			2014		2013
Net income (loss) for the period	$	37,676	$	(24,380	)	$	146,528	$	(521	)
Weighted average number of common shares outstanding — basic (in thousands)		185,718		172,572			179,845		172,426
Add: Dilutive impact of shares related to RSU plan		346		—			329		—
Add: Dilutive impact of common shares held in depositary relating to convertible debentures acquired from Osisko (note 10)		143		—			72		—
Weighted average number of common shares outstanding — diluted (in thousands)		186,207		172,572			180,246		172,426
Net income (loss) per share — basic	$	0.20	$	(0.14	)	$	0.81	$	(0.00	)
Net income (loss) per share — diluted	$	0.20	$	(0.14	)	$	0.81	$	(0.00	)

Schedule of changes in accumulated other comprehensive income (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, 2013	$	(16,206	)	$	3,965		$	(148	)	$	(2,752	)	$	(15,141	)
Unrealized other comprehensive gain		—			26,282			1,334			—			27,616
Income tax recovery impact		—			—			(352	)		—			(352	)
Reclassifications from accumulated other comprehensive (loss) income to the interim unaudited consolidated statements of income (loss) and comprehensive income (loss)		—			(2,870	)		475			330			(2,065	)
Income tax recovery impact		—			—			(125	)		(87	)		(212	)
Other comprehensive income for the period		—			23,412			1,332			243			24,987
Accumulated other comprehensive (loss) income, June 30, 2014	$	(16,206	)	$	27,377		$	1,184		$	(2,509	)	$	9,846