Stock-Based Compensation (Tables)

9 Months Ended

Sep. 30, 2013

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Summary of Compensation Expense and Related Tax Benefits

The following table presents compensation expense and the related tax benefits for equity awards recognized in the consolidated statements of income:

	Three months ended September 30						Nine months ended September 30
	2013			2012			2013			2012
	(in thousands)
Stock-based compensation expense	$	979		$	913		$	4,186		$	3,963
Tax benefit	(272		)	(245		)	(1,183		)	(1,061		)
Stock-based compensation expense, net of tax	$	707		$	668		$	3,003		$	2,902