Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 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
		March 31,
(in thousands, except per share data)			2014		2013
Net income		$	19,125	$	11,487
Denominator for basic earnings per share -
	weighted-average number of common
	shares outstanding during the period		53,650		54,796
Incremental common shares attributable to
	exercise of outstanding dilutive options		436		215
Incremental common shares attributable
	to outstanding restricted shares, and
	restricted stock units		191		139
Denominator for diluted earnings per share			54,277		55,150
Basic earnings per share		$	0.36	$	0.21
Diluted earnings per share		$	0.35	$	0.21