EMPLOYEE STOCK BENEFIT PLANS (Details 2) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2014
Stock Options
EMPLOYEE STOCK BENEFIT PLANS
Shares Granted	0.4
Weighted-Average Grant Date Fair Value (in dollars per share)	$ 17.54
Unrecognized Compensation Expense	$ 13.3
Expected Weighted-Average Period to be Recognized (in years)	2 years 2 months 4 days
Performance Share Awards
EMPLOYEE STOCK BENEFIT PLANS
Shares Granted	0.2
Weighted-Average Grant Date Fair Value (in dollars per share)	$ 77.21
Unrecognized Compensation Expense	19.1
Expected Weighted-Average Period to be Recognized (in years)	1 year 8 months 15 days
Restricted stock units
EMPLOYEE STOCK BENEFIT PLANS
Shares Granted	0.2
Weighted-Average Grant Date Fair Value (in dollars per share)	$ 81.55
Unrecognized Compensation Expense	$ 25.9
Expected Weighted-Average Period to be Recognized (in years)	2 years 7 months 9 days