Stock Based Compensation (Tables)

9 Months Ended

Sep. 30, 2012

Summary of Restricted Stock Activity and Related Information

A summary of restricted stock activity and related information for the nine months ended September 30, 2012 is presented below:

	Shares			Weighted- Average Grant-Date Fair Value
Nonvested at January 1, 2012		129,082		$	75.00
Granted		55,652		$	119.22
Vested		(58,461	)	$	66.15
Forfeited		(12,754	)	$	101.26
Nonvested at September 30, 2012		113,519		$	98.29