STOCK COMPENSATION PLANS (Tables)

12 Months Ended

Dec. 31, 2015

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Disclosure of Share Based Compensation Arrangements by Share Based Payment Awards

Changes in options outstanding under the plans for the period indicated were as follows:

	Number of Options		Weighted-Average Exercise Price per Option		Weighted-Average Remaining Contractual Term	Aggregate Intrinsic Value
Outstanding at December 31, 2014	3.3		$	81.07
Granted	—		—
Exercised	(1.0	)	80.88
Cancelled	—		—
Outstanding at December 31, 2015	2.3		$	81.14	5.0	$	95.9
Vested and expected to vest at December 31, 2015	2.3		$	81.14	5.0	$	95.9
Exercisable at December 31, 2015	2.3		$	81.14	5.0	$	95.9

Disclosure of the Impact of Stock Options Exercised

Cash received by the Company from option exercises, the actual tax benefit realized for the tax deductions and the aggregate intrinsic value of options exercised from option exercises under all share-based payment arrangements during the years ended December 31, 2015, 2014, and 2013 were as follows:

	2015		2014		2013
Cash received by the Company	$	82.6	$	98.5	$	158.0
Tax benefits realized	$	16.2	$	12.3	$	21.3
Aggregate intrinsic value	$	42.2	$	32.1	$	55.4

Schedule of Options Outstanding and Exercisable at December 31, 2013, by Range of Exercise Prices

The following table summarizes information concerning currently outstanding and exercisable options.

Options Outstanding				Options Exercisable
Range of Exercise Prices	Number Outstanding	Weighted Average		Number Exercisable	Weighted Average Exercise Price
		Remaining Contractual Life	Average Exercise Price
$  6.80 - 59.37	0.0	0.3	$59.37	—	$59.37
$59.38 - 67.60	0.2	3.1	$60.35	0.2	$60.35
$67.61 - 75.63	0.6	3.7	$71.63	0.6	$71.63
$75.64 - 80.37	0.1	2.2	$79.59	0.1	$79.59
$80.38 - 98.49	1.4	5.8	$87.48	1.4	$87.48
	2.3	5.0	$81.14	2.3	$81.14

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

The following table shows the weighted average grant-date fair values of options issued during the respective year and the weighted average assumptions that the Company used to develop the fair value estimates:

	2015	2014	2013
Fair value per option	N/A	N/A	N/A
Valuation assumptions
Weighted average expected life (in years)	N/A	N/A	N/A
Risk free interest rate	N/A	N/A	N/A
Expected volatility	N/A	N/A	N/A
Expected dividend yield	N/A	N/A	N/A

The Company uses the Black-Scholes model to calculate the fair value of the employee’s purchase right. The fair value of the employee’s purchase right and the assumptions used in its calculation are as follows:

	2015			2014			2013
Fair value of the employee’s purchase right	$	21.95		$	19.48		$	17.22
Valuation assumptions
Risk free interest rate	0.3		%	0.1		%	0.1		%
Expected volatility	0.2			0.2			0.2
Expected dividend yield	—			—			—

Schedule of Nonvested Share Activity

The following table shows a summary of non-vested shares for the year ended December 31, 2015:

	Number of Shares		Weighted-Average Grant Date Fair Value
Non-vested at January 1, 2015	1.1		$	91.30
Granted	0.8		123.61
Vested	(0.3	)	95.44
Canceled	(0.1	)	111.38
Non-vested at December 31, 2015	1.5		$	109.00