Earnings Per Share (Tables)

6 Months Ended

Jun. 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				Six Months Ended
		June 30,				June 30,
(in thousands, except per share data)			2014		2013		2014		2013
Net income		$	22,150	$	8,457	$	41,275	$	19,944
Denominator for basic earnings per share -
	weighted-average number of common
	shares outstanding during the period		53,826		54,207		53,738		54,500
Incremental common shares attributable to
	exercise of outstanding dilutive options		443		205		461		213
Incremental common shares attributable
	to outstanding restricted shares and
	restricted stock units		136		88		195		184
Denominator for diluted earnings per share			54,405		54,500		54,394		54,897
Basic earnings per share		$	0.41	$	0.16	$	0.77	$	0.37
Diluted earnings per share		$	0.41	$	0.16	$	0.76	$	0.36