Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2014

Earnings Per Share [Abstract]

Schedule of Computation of Basic and Diluted Earnings Per Share

The following table sets forth the computation of basic and diluted earnings per share (in thousands, except per share data):

	For the Three Months Ended
	March 31,
	2014		2013
Numerator:
Net income	$	21,857	$	13,874
Denominator:
Denominator for basic earnings per share:
weighted average shares		39,194		39,972
Effect of dilutive securities:
Employee stock options, restricted awards, restricted units, and deferred units		461		656
Denominator for diluted earnings per share:
Adjusted weighted average shares and the effect of dilutive securities		39,655		40,628
Net income per share:
Net income per share—basic	$	0.56	$	0.35
Net income per share—diluted	$	0.55	$	0.34