Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2013

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)			2013		2012		2013		2012
Net income		$	23,726	$	19,314	$	43,670	$	38,492
Denominator for basic earnings per share -
	weighted-average number of common
	shares outstanding during the period		54,087		55,814		54,361		56,750
Incremental common shares attributable to
	outstanding dilutive options		360		131		284		155
Incremental common shares attributable
	to outstanding restricted shares,
	restricted stock units and phantom stock		164		83		223		149
Denominator for diluted earnings per share			54,611		56,028		54,868		57,054
Basic earnings per share		$	0.44	$	0.35	$	0.80	$	0.68
Diluted earnings per share		$	0.43	$	0.34	$	0.80	$	0.67