Capital Stock (Tables)

6 Months Ended

Jun. 30, 2014

Equity [Abstract]

Schedule of options outstanding and exercisable

Information about options outstanding and options exercisable by year of grant as of June 30, 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	0.37	9,185	$	10.05	$	0.1
2005 – expire in 2015	10-11	0.79	43,188	10.90		0.4
2006 – expire in 2016	10-11	1.93	49,966	10.05		0.6
2007 – expire in 2015	9-10	0.66	565,970	10.31		6.1
2008 – expire in 2016	7-10	1.74	1,787,186	8.76		22.2
Total	$7-11	1.47	2,455,495	$	9.19	$	29.4