Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 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				For the Six Months Ended
	June 30,				June 30,
	2014		2013		2014		2013
Numerator:
Net income	$	33,331	$	34,670	$	55,188	$	48,544
Denominator:
Denominator for basic earnings per share - weighted average shares		38,816		39,762		39,004		39,867
Effect of dilutive securities:
Employee stock options and restricted units		410		566		431		608
Denominator for diluted earnings per share - Adjusted weighted average shares and the effect of dilutive securities		39,226		40,328		39,435		40,475
Net income per share:
Net income per share - basic	$	0.86	$	0.87	$	1.41	$	1.22
Net income per share - diluted	$	0.85	$	0.86	$	1.40	$	1.20