EMPLOYEE STOCK BENEFIT PLANS (Details 2) (USD $) In Millions, except Per Share data, unless otherwise specified	6 Months Ended
Jun. 30, 2013
Stock Options
EMPLOYEE STOCK BENEFIT PLANS
Shares Granted	0.5
Weighted-Average Grant Date Fair Value (in dollars per share)	$ 15.07
Outstanding (in shares)	2.0
Unrecognized Compensation Expense	$ 10.6
Expected Weighted-Average Period to be Recognized (in years)	2 years 2 months 3 days
Performance Share Awards
EMPLOYEE STOCK BENEFIT PLANS
Shares Granted	0.2
Weighted-Average Grant Date Fair Value (in dollars per share)	$ 72.54
Outstanding (in shares)	0.4
Unrecognized Compensation Expense	13.3
Expected Weighted-Average Period to be Recognized (in years)	1 year 6 months 1 day
Restricted stock units
EMPLOYEE STOCK BENEFIT PLANS
Shares Granted	0.1
Weighted-Average Grant Date Fair Value (in dollars per share)	$ 74.93
Outstanding (in shares)	0.5
Unrecognized Compensation Expense	$ 17.1
Expected Weighted-Average Period to be Recognized (in years)	2 years 8 months 15 days

As of the balance sheet date, the aggregate unrecognized cost of equity-based awards made to employees under equity-based compensation awards that have yet to vest.

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- Definition

Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

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The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

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-Topic 718

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- Definition

The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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- Definition

Net number of share options (or share units) granted during the period.

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- Definition

The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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- Definition

The number of shares reserved for issuance under stock option agreements awarded under the plan that validly exist and are outstanding as of the balance sheet date, including vested options.

+ References

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