Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2014

Earnings Per Share [Abstract]

Calculation of Basic and Diluted Earnings per Share

The following table sets forth the calculation of basic and diluted earnings per share.
		Three Months Ended				Nine Months Ended
		September 30,				September 30,
(in thousands, except per share data)			2014		2013		2014		2013
Net income		$	17,156	$	23,726	$	58,431	$	43,670
Denominator for basic earnings per share -
	weighted-average number of common
	shares outstanding during the period		53,660		54,087		53,712		54,361
Incremental common shares attributable to
	exercise of outstanding dilutive options		445		360		460		284
Incremental common shares attributable
	to outstanding restricted shares and
	restricted stock units		160		164		215		223
Denominator for diluted earnings per share			54,265		54,611		54,387		54,868
Basic earnings per share		$	0.32	$	0.44	$	1.09	$	0.80
Diluted earnings per share		$	0.32	$	0.43	$	1.07	$	0.80