EARNINGS PER SHARE

6 Months Ended

Jun. 30, 2013

Earnings Per Share, Basic and Diluted [Abstract]

EARNINGS (LOSS) PER SHARE

EARNINGS PER SHARE

The computation of basic and diluted earnings per common share was as follows (in thousands, except per share data):

	Three Months Ended June 30,				Six Months Ended June 30,
	2013		2012		2013		2012
Amounts attributable to Quest Diagnostics’ stockholders:
Income from continuing operations	$	152,665	$	175,225	$	268,156	$	331,348
Income from discontinued operations, net of taxes	12,803		2,480		33,091		5,475
Net income attributable to Quest Diagnostics’ common stockholders	$	165,468	$	177,705	$	301,247	$	336,823
Income from continuing operations	$	152,665	$	175,225	$	268,156	$	331,348
Less: Earnings allocated to participating securities	562		712		927		1,306
Earnings available to Quest Diagnostics’ common stockholders – basic and diluted	$	152,103	$	174,513	$	267,229	$	330,042
Weighted average common shares outstanding – basic	152,708		158,477		155,403		158,385
Effect of dilutive securities:
Stock options and performance share units	1,351		1,307		1,330		1,360
Weighted average common shares outstanding – diluted	154,059		159,784		156,733		159,745
Earnings per share attributable to Quest Diagnostics’ common stockholders – basic:
Income from continuing operations	$	0.99	$	1.10	$	1.72	$	2.08
Income from discontinued operations	0.08		0.02		0.21		0.04
Net income	$	1.07	$	1.12	$	1.93	$	2.12
Earnings per share attributable to Quest Diagnostics’ common stockholders – diluted:
Income from continuing operations	$	0.99	$	1.09	$	1.71	$	2.06
Income from discontinued operations	0.08		0.02		0.21		0.04
Net income	$	1.07	$	1.11	$	1.92	$	2.10

The following securities were not included in the calculation of diluted earnings per share due to their antidilutive effect (shares in thousands):

	Three Months Ended June 30,		Six Months Ended June 30,
	2013	2012	2013	2012
Stock options and performance share units	1,457	2,463	1,771	2,229