Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2012

Stock-Based Compensation [Abstract]

Stock-Based Compensation Expense Included In Consolidated Statements Of Income

	Three Months Ended March 31,
(in thousands)	2012			2011
Cost of revenue	$	977		$	797
Operating expenses		1,875			1,738
Total stock-based compensation before tax		2,852			2,535
Income tax benefit		(876	)		(886	)