Income Taxes (Tables)

9 Months Ended

Sep. 30, 2012

Income Taxes [Abstract]

Reconciliation of income tax expense

The following represents a reconciliation of income tax expense and the amount that would be computed using the statutory federal income tax rates for the nine months ended September 30:

	2012					2011
	(in thousands)
Computed income tax expense at statutory federal income tax rate of 35%	$	14,055		35.0	%	$	8,821		35.0	%
State income taxes, net of federal provision		622		1.5	%		537		2.1	%
Foreign tax rate differentials		(2,194	)	(5.5	%)		(1,733	)	(6.9	%)
U.S. tax on foreign earnings		1,681		4.3	%		1,452		5.9	%
Tax resolutions, net		—		0.0	%		(103	)	(0.4	%)
Change in valuation allowance		48		0.1	%		—		0.0	%
Proceeds from life insurance		(373	)	(0.9	%)		—		0.0	%
Other, net		(755	)	(1.9	%)		37		0.1	%
Income tax expense	$	13,084		32.6	%	$	9,011		35.8	%