Income Taxes (Tables)

6 Months Ended

Jun. 30, 2012

Summary Of Company's Income Tax Provision And Effective Income Tax Rate

The following table summarizes the Company’s income tax provision and effective income tax rate:

	Three Months Ended June 30,						Six Months Ended June 30,
	2012			2011			2012			2011
Income before income taxes	$	104,425		$	94,959		$	181,606		$	177,397
Provision for income taxes	$	28,822		$	27,263		$	50,888		$	49,802
Effective income tax rate		27.6	%		28.7	%		28.0	%		28.1	%