Net (Loss) Income Per Share (Tables)

6 Months Ended

Jun. 30, 2013

Net (Loss) Income Per Share [Abstract]

Computation Of Basic And Diluted Net (Loss) Income Per Share

	Three Months Ended June 30,				Six Months Ended June 30,
	2013		2012		2013		2012
Numerator:
Net income	$	3,839	$	5,925	$	3,805	$	22,886
Denominator:
Weighted average common stock outstanding (basic)		43,545		42,470		43,360		42,286
Common equivalent shares from options to purchase common stock and restricted common stock units		1,336		1,487		1,381		1,553
Weighted average common stock outstanding (diluted)		44,881		43,957		44,741		43,839
Basic net income per share	$	0.09	$	0.14	$	0.09	$	0.54
Diluted net income per share	$	0.09	$	0.13	$	0.09	$	0.52

Securities Excluded From Computation Of Diluted Earnings Per Share

	Three Months Ended June 30,					Six Months Ended June 30,
	2013		2012		2013		2012
Stock options		1,043		724		850		620
Restricted stock units		11		13		253		197
Performance stock units		—		—		24		—
Total antidilutive awards		1,054		737		1,127		817