Income Taxes (Tables)

9 Months Ended

Sep. 30, 2012

Summary Of Provision For Income Taxes And 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 September 30, 2012 and 2011 due to the following (in thousands):

	2012					2011
Income tax expense at federal statutory rate	$	28,909		35.0	%	$	20,689		35.0	%
Changes resulting from:
Foreign income tax differential		(3,030	)	(3.6	)		(2,404	)	(4.1	)
Effect of statutory rate change		(3,473	)	(4.1	)		(467	)	(0.8	)
State taxes, net of federal benefit		1,366		1.7			1,262		2.2
Foreign-sourced nontaxable income		(1,826	)	(2.2	)		(731	)	(1.2	)
Other		997		1.0			248		0.4
Provision for income taxes	$	22,943		27.8	%	$	18,597		31.5	%