INITIAL PUBLIC OFFERING AND SEPARATION ACTIVITIES (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	1 Months Ended	12 Months Ended
	Feb. 28, 2009	Dec. 31, 2009	Feb. 17, 2009
INITIAL PUBLIC OFFERING AND SEPARATION ACTIVITIES
Common stock offered in IPO (in shares)	34.5
Price per share of common stock offered in IPO (in dollars per share)			$ 24.00
Shares of common stock owned by Bristol-Myers Squibb Company (BMS) prior to and immediately following the IPO (in shares)			170.0
Underwriting discounts, commissions and offering expenses	$ 45.7
Net proceeds from the IPO	782.3	782.3
Transaction costs incurred for the IPO recorded within selling, general, and administrative expense		$ 31.0