Benefit Plans (Tables)

12 Months Ended

Dec. 31, 2011

Benefit Costs Recognized as Expense Under Plans

to Section 401(k) of the Internal Revenue Code. Benefit costs recognized as expense under these plans consisted of the following for the years ended December 31:

	2011		2010		2009
Contributions:
Profit sharing	$	2,690	$	1,606	$	1,031
Savings		1,081		847		732
	$	3,771	$	2,453	$	1,763