EARNINGS PER SHARE (Tables)

6 Months Ended

Jun. 30, 2011

Earnings Per Share

Earnings Per Share

	Three Months Ended June 30,		Six Months Ended June 30,
	2011	2010	2011	2010
Amounts attributable to Quest Diagnostics' stockholders:
Income from continuing operations	$ 163,650	$ 194,881	$ 110,163	$ 357,381
Loss from discontinued operations, net of taxes	(507)	(266)	(881)	(318)
Net income attributable to Quest Diagnostics' common stockholders	$ 163,143	$ 194,615	$ 109,282	$ 357,063
Income from continuing operations	$ 163,650	$ 194,881	$ 110,163	$ 357,381
Less:  Earnings allocated to participating securities	877	928	967	1,588
Earnings available to Quest Diagnostics' common stockholders – basic and diluted	$ 162,773	$ 193,953	$ 109,196	$ 355,793
Weighted average common shares outstanding – basic	157,607	178,920	159,548	179,570
Effect of dilutive securities:
Stock options and performance share units	1,745	1,840	1,730	2,002
Weighted average common shares outstanding – diluted	159,352	180,760	161,278	181,572
Earnings per share attributable to Quest Diagnostics' common stockholders – basic:
Income from continuing operations	$       1.03	$       1.08	$       0.68	$       1.98
Loss from discontinued operations	-	-	-	-
Net income	$       1.03	$       1.08	$       0.68	$       1.98
Earnings per share attributable to Quest Diagnostics' common stockholders – diluted:
Income from continuing operations	$       1.02	$       1.07	$       0.68	$       1.96
Loss from discontinued operations	-	-	(0.01)	-
Net income	$       1.02	$       1.07	$       0.67	$       1.96