Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2014

Earnings Per Share [Abstract]

Computation of earnings per share and reconciliation of basic and diluted weighted average common shares outstanding

The table below presents the computation of EPS, including the reconciliation of basic and diluted weighted average shares outstanding (in thousands, except EPS):

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2014		2013		2014		2013
Net income	$	73,863	$	66,533	$	78,051	$	69,973
Weighted average shares outstanding:
Basic	44,769		46,659		44,972		46,523
Effect of dilutive securities:
Stock options and employee stock purchase plan	1,202		1,223		1,188		1,235
Diluted	45,971		47,882		46,160		47,758
Earnings per share:
Basic	$	1.65	$	1.43	$	1.74	$	1.50
Diluted	$	1.61	$	1.39	$	1.69	$	1.47
Anti-dilutive stock options excluded from diluted earnings per share computations	—		—		169		1