(LOSS) EARNINGS PER SHARE

3 Months Ended

Mar. 31, 2012

(LOSS) EARNINGS PER SHARE

(LOSS) EARNINGS PER SHARE

16.   (LOSS) EARNINGS PER SHARE

• (Loss) earnings per share for the three-month periods ended March 31, 2012 and 2011 were calculated as follows:

	Three Months Ended March 31
	2012			2011
Net (loss) income	$	(12,921	)	$	6,482
Basic weighted-average number of common shares outstanding (000s)		307,776			303,749
Dilutive effect of stock options and RSUs (000s)		—	(a)		8,427
Dilutive effect of convertible debt (000s)		—	(a)		20,724
Diluted weighted-average number of common shares outstanding (000s)		307,776			332,900
Basic and diluted (loss) earnings per share	$	(0.04	)	$	0.02

(a)

In the three-month period ended March 31, 2012, all potential common shares issuable for stock options, RSUs and convertible debt were excluded from the calculation of diluted loss per share, as the effect of including them would have been anti-dilutive. The dilutive effect of potential common shares issuable for stock options, RSUs and convertible debt on the weighted-average number of common shares outstanding would have been as follows:

	Three Months Ended March 31 2012
Basic weighted-average number of common shares outstanding (000s)		307,776
Dilutive effect of stock options and RSUs (000s)		7,725
Dilutive effect of convertible debt (000s)		896
Diluted weighted-average number of common shares outstanding (000s)		316,397

• In the three-month periods ended March 31, 2012 and 2011, stock options to purchase approximately 702,000 and 267,000 common shares of the Company, respectively, had exercise prices greater than the average trading price of the Company's common shares, and were not included in the computation of diluted earnings per share because the effect would have been anti-dilutive.