NET EARNINGS PER SHARE (Tables)

6 Months Ended

Jun. 30, 2013

Potential Shares Not Included in the Computation of Diluted Earnings per Share

Potential Shares Not Included in the Computation of Diluted Earnings per Share

	QUARTER ENDED		YEAR-TO-DATE ENDED
SHARES IN THOUSANDS	JUNE 2013	JUNE 2012	JUNE 2013	JUNE 2012
Stock options	4,862	21,992	4,862	21,992
Performance share units	577	537	577	537
Preference shares	13,800	—	13,800	—