Share Capital (Tables)

9 Months Ended

Sep. 30, 2014

Equity [Abstract]

Changes in Number of Shares of Class A Stock Outstanding

The following table reflects changes in the number of shares of Class A Stock outstanding for the periods indicated:

	Three Months Ended September 30,			Nine Months Ended September 30,
	2014	2013		2014	2013
Class A Stock outstanding, beginning of period	13,519,126	13,496,783		13,377,967	13,508,318
Issued pursuant to shared-based compensation plans	11,562	65,227		152,721	65,227
Repurchased and canceled pursuant to the stock buy-back	—	(119,251	)	—	(130,786	)
Class A Stock outstanding, end of period	13,530,688	13,442,759		13,530,688	13,442,759