Capital Stock (Tables)

12 Months Ended

Dec. 31, 2015

Equity [Abstract]

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, 2015, 2014, and 2013, are as follows:

	December 31, 2015					December 31, 2014					December 31, 2013
	Options (000’s) #			Weighted- Average Exercise Price $		Options (000’s) #			Weighted- Average Exercise Price $		Options (000’s) #			Weighted- Average Exercise Price $
Outstanding - beginning of year		2,710			36.61		4,237			36.33		5,285			34.40
Granted		265			43.99		15			56.76		73			34.07
Exercised		(36	)		33.79		(1,528	)		36.10		(1,039	)		26.21
Forfeited / expired		(139	)		46.80		(14	)		28.51		(82	)		38.46
Outstanding - end of year		2,800			36.84		2,710			36.61		4,237			36.33
Exercisable - end of year		2,500			36.03		2,508			37.03		3,848			37.03

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, 2015, 2014 and 2013, are as follows:
	December 31, 2015					December 31, 2014					December 31, 2013
	Options (000’s) #			Weighted- Average Grant Date Fair Value $		Options (000’s) #			Weighted- Average Grant Date Fair Value $		Options (000’s) #			Weighted- Average Grant Date Fair Value $
Outstanding non-vested stock options - beginning of year		202			9.37		389			9.24		723			8.74
Granted		265			7.74		15			11.50		73			10.54
Vested		(167	)		9.07		(188	)		9.30		(401	)		8.57
Forfeited		—			—		(14	)		9.01		(6	)		9.46
Outstanding non-vested stock options - end of year		300			8.09		202			9.37		389			9.24

Details Regarding Outstanding and Exercisable Stock Options

Further details regarding the Company’s outstanding and exercisable stock options at December 31, 2015 are as follows:

	Outstanding Options					Exercisable Options
Range of Exercise Prices	Options (000’s) #		Weighted- Average Remaining Life (Years)	Weighted- Average Exercise Price  $		Options (000’s) #		Weighted- Average Remaining Life (Years)	Weighted- Average Exercise Price  $
$10.00 – $19.99		188	3.2		11.84		188	3.2		11.84
$20.00 – $24.99		293	4.2		24.42		293	4.2		24.42
$25.00 – $29.99		365	6.2		27.69		365	6.2		27.69
$30.00 – $34.99		117	6.3		34.44		93	6.1		34.53
$35.00 – $39.99		364	0.4		39.01		364	0.4		39.01
$40.00 – $44.99		1,029	4.0		41.33		764	2.2		40.41
$50.00 – $54.99		429	1.2		51.40		429	1.2		51.40
$55.00 – $59.99		15	8.2		56.76		5	8.2		56.76
		2,800	3.5		36.84		2,500	2.8		36.03