Income Taxes (Tables)

6 Months Ended

Jun. 30, 2011

Income Taxes

Schedule Of Provision For Income Taxes And Effective Tax Rates

	Three months ended		Six months ended
	June 30,		June 30,
	2011	2010	2011	2010
Provision for income taxes	$    14,342	$    10,310	$           28,338	$    19,449
Effective tax rate	29.2%	32.1%	31.5%	31.3%