Net Income Per Share (Tables)

9 Months Ended

Sep. 30, 2015

Net Income Per Share [Abstract]

Computation Of Basic And Diluted Net Income Per Share

	Three Months Ended September 30,				Nine Months Ended September 30,
	2014		2015		2014		2015
Numerator (basic and diluted):
Net income	$	4,113	$	7,598	$	15,144	$	16,755
Denominator (basic):
Weighted average common shares outstanding		35,234		35,880		35,062		35,733
Denominator (diluted):
Weighted average common shares outstanding		35,234		35,880		35,062		35,733
Dilutive stock options and other		918		636		1,205		862
Diluted weighted average common shares outstanding		36,152		36,516		36,267		36,595
Net income per share:
Basic	$	0.12	$	0.21	$	0.43	$	0.47
Diluted	$	0.11	$	0.21	$	0.42	$	0.46

Summary Of Anti-Dilutive Common Equivalent Shares

	Three Months Ended September 30,		Nine Months Ended September 30,
	2014	2015	2014	2015
Stock options outstanding	1,063	1,419	1,158	944