Capital Stock (Tables)

3 Months Ended

Mar. 31, 2014

Equity [Abstract]

Schedule of options outstanding and exercisable

Information about options outstanding and options exercisable by year of grant as of March 31, 2014 is as follows:

			Options Outstanding and Exercisable
Year of Grant	Range of Exercise Prices	Average Remaining Term (in years)	Options on Shares Outstanding	Weighted Average Exercise Price		Aggregate Intrinsic Value (in millions)
2004 – expire in 2014	$10-11	0.46	15,373	$	10.40	$	0.1
2005 – expire in 2015	10-11	1.04	43,188	10.90		0.3
2006 – expire in 2014	10-11	0.19	63,214	10.05		0.5
2007 – expire in 2015	9-10	0.91	752,731	10.34		5.6
2008 – expire in 2016	7-10	1.99	1,821,399	8.77		16.3
Total	$7-11	1.62	2,695,905	$	9.28	$	22.8