Income Taxes (Tables)

6 Months Ended

Jun. 30, 2012

Summary Of The Provision For Income Taxes And The U.S. Federal Tax Rate

The provision for income taxes differs from amounts computed by applying the U.S. federal tax rate of 35% to income before income taxes for the three months ended June 30, 2012 and 2011 due to the following (in thousands):

	2012					2011
Income tax expense at federal statutory rate	$	27,544		35.0	%	$	18,840		35.0	%
Changes resulting from:
Foreign income tax differential		(2,155	)	(2.7	)		(2,164	)	(4.0	)
State taxes, net of federal benefit		653		0.8			730		1.4
Foreign-sourced nontaxable income		(2,729	)	(3.5	)		(793	)	(1.5	)
Other		982		1.3			500		0.9
Provision for income taxes	$	24,295		30.9	%	$	17,113		31.8	%