EMPLOYEE STOCK BENEFIT PLANS (Details 2) (USD $) In Millions, except Per Share data, unless otherwise specified	6 Months Ended
	Jun. 30, 2014
Stock Options
EMPLOYEE STOCK BENEFIT PLANS
Shares Granted	0.4
Weighted-Average Grant Date Fair Value (in dollars per share)	$ 17.58
Unrecognized Compensation Expense	$ 11.5
Expected Weighted-Average Period to be Recognized (in years)	2 years
Performance Share Awards
EMPLOYEE STOCK BENEFIT PLANS
Shares Granted	0.2
Weighted-Average Grant Date Fair Value (in dollars per share)	$ 78.64
Unrecognized Compensation Expense	15.2
Expected Weighted-Average Period to be Recognized (in years)	1 year 6 months
Restricted stock units
EMPLOYEE STOCK BENEFIT PLANS
Shares Granted	0.2
Weighted-Average Grant Date Fair Value (in dollars per share)	$ 81.64
Unrecognized Compensation Expense	$ 23.1
Expected Weighted-Average Period to be Recognized (in years)	2 years 7 months 15 days