Treasury Stock

3 Months Ended

Mar. 31, 2013

Equity [Abstract]

Treasury stock

Treasury stock

Treasury stock of $32.1 million as of March 31, 2013, compared to $31.7 million as of December 31, 2012, resulted from $0.2 million acquired through repurchases of shares to cover employee minimum tax withholding obligations related to stock compensation vesting events under the Company's Equity Plan and $0.2 million purchased in connection with a share repurchase program. The amount authorized, for the Company to purchase the Company's Class A common shares, as of March 31, 2013 is $35.0 million.

The following represents the activity relating to the treasury stock held by the Company during the three months ended March 31, 2013:

	Treasury stock shares	Cost (dollars in thousands)		Average cost per share
Balance outstanding at December 31, 2012	11,292,220	$	31,728	$	2.81
Shares purchased for minimum tax withholding under the Equity Plan	65,998	177		2.68
Purchase of treasury stock	89,298	235		2.63
Balance outstanding at March 31, 2013	11,447,516	$	32,140	$	2.81