CONSOLIDATED STATEMENTS OF INCOME (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Revenue:
Net product sales	$ 1,336,590	$ 1,154,328	$ 2,582,089	$ 2,237,937
Collaborative agreements and other revenue	3,230	3,399	5,861	12,702
Royalty revenue	26,944	25,428	52,102	57,797
Total revenue	1,366,764	1,183,155	2,640,052	2,308,436
Expenses:
Cost of goods sold (excluding amortization of acquired intangible assets)	71,852	126,443	144,372	253,711
Research and development	447,098	371,520	809,142	806,998
Selling, general and administrative	323,027	305,643	648,805	607,904
Amortization of acquired intangible assets	44,148	70,087	85,908	139,137
Acquisition related (gains) charges and restructuring, net	39,285	(9,477)	28,215	(106,221)
Total costs and expenses	925,410	864,216	1,716,442	1,701,529
Operating income	441,354	318,939	923,610	606,907
Other income and expense:
Interest and investment income, net	3,108	5,945	6,816	10,467
Interest (expense)	(11,474)	(9,418)	(22,859)	(21,168)
Other income (expense), net	7,696	2,945	7,119	9,013
Income before income taxes	440,684	318,411	914,686	605,219
Income tax provision	73,311	39,203	145,776	70,925
Net income	367,373	279,208	768,910	534,294
Net loss attributable to non-controlling interest		190		694
Net income attributable to Celgene	$ 367,373	$ 279,398	$ 768,910	$ 534,988
Net income per share attributable to Celgene:
Basic (in dollars per share)	$ 0.84	$ 0.60	$ 1.76	$ 1.15
Diluted (in dollars per share)	$ 0.82	$ 0.59	$ 1.72	$ 1.14
Weighted average shares:
Basic (in shares)	436,703	462,625	437,526	464,300
Diluted (in shares)	445,379	469,962	447,092	470,958