Capital Stock (Tables)

12 Months Ended

Dec. 31, 2012

Summary of Stock Option Activity and Related Information

A summary of the Company’s stock option activity and related information for the years ended December 31, 2012, 2011, and 2010, are as follows:

	December 31, 2012					December 31, 2011					December 31, 2010
	Options			Weighted- Average		Options			Weighted- Average		Options			Weighted- Average
	(000’s)			Exercise Price		(000’s)			Exercise Price		(000’s)			Exercise Price
	#			$		#			$		#			$
Outstanding—beginning of year		5,713			32.47		6,123			31.54		5,983			31.46
Granted		433			27.69		96			34.93		733			24.42
Exercised		(733	)		15.85		(363	)		16.14		(380	)		15.12
Forfeited / expired		(128	)		31.81		(143	)		33.11		(213	)		29.00
Outstanding—end of year		5,285			34.40		5,713			32.47		6,123			31.54
Exercisable—end of year		4,561			35.54		4,656			35.40		3,963			36.80

Non-vested Stock Option Activity and Related Information

A summary of the Company’s non-vested stock option activity and related information for the years ended December 31, 2012, 2011 and 2010, are as follows:

	December 31, 2012					December 31, 2011					December 31, 2010
	Options			Weighted- Average		Options			Weighted- Average					Weighted- Average
	(000’s)			Grant Date Fair Value		(000’s)			Grant Date Fair Value		(000’s)			Grant Date Fair Value
	#			$		#			$		#			$
Outstanding non-vested stock options—beginning of year		1,057			6.40		2,160			6.36		2,684			6.56
Granted		433			8.72		96			11.27		733			8.16
Vested		(747	)		5.44		(1,071	)		6.18		(1,084	)		7.48
Forfeited		(20	)		8.24		(128	)		11.47		(173	)		10.06
Outstanding non-vested stock options—end of year		723			8.74		1,057			6.40		2,160			6.36

Details Regarding Outstanding and Exercisable Stock Options

Further details regarding the Company’s outstanding and exercisable stock options at December 31, 2012 are as follows:

	Outstanding Options						Exercisable Options
	Options (000’s)		Weighted- Average Remaining Life		Weighted- Average Exercise Price		Options (000’s)		Weighted- Average Remaining Life		Weighted- Average Exercise Price
Range of Exercise Prices	#		(Years)		$		#		(Years)		$
$10.00 – $14.99		689		6.2		11.84		689		6.2		11.84
$15.00 – $19.99		107		0.2		19.59		107		0.2		19.59
$20.00 – $24.99		626		7.1		24.39		392		7.1		24.37
$25.00 – $29.99		433		9.2		27.69		—		—		—
$30.00 – $34.99		429		2.6		33.84		373		1.8		33.67
$35.00 – $39.99		741		3.3		38.98		741		3.3		38.98
$40.00 – $44.99		1,246		5.2		40.41		1,246		5.2		40.41
$45.00 – $49.99		345		2.2		46.80		345		2.2		46.80
$50.00 – $59.99		666		4.2		51.40		666		4.2		51.40
$60.00 – $64.99		3		4.3		60.96		3		4.3		60.96
		5,285		5.0		34.40		4,562		4.4		35.54