Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2012

Earnings Per Share

Schedule of earnings per share

	Three-Month Periods Ended				Six-Month Periods Ended
	June 30,				June 30,
(Amounts in thousands, except per share)	2012		2011		2012		2011
Net income attributable to Celgene	$	367,373	$	279,398	$	768,910	$	534,988
Weighted-average shares:
Basic	436,703		462,625		437,526		464,300
Effect of dilutive securities:
Options, restricted stock units, warrants and other	8,676		7,337		9,566		6,658
Diluted	445,379		469,962		447,092		470,958
Net income per share:
Basic	$	0.84	$	0.60	$	1.76	$	1.15
Diluted	$	0.82	$	0.59	$	1.72	$	1.14