SHARE-BASED COMPENSATION (Tables)

6 Months Ended

Jun. 30, 2014

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

Summary of Stock Option Activity Under All Stock Plans

A summary of stock option activity under all stock plans for the six months ended June 30, 2014, is presented as follows (in millions, except per share amounts):

	Stock Options Outstanding
	Number Outstanding		Weighted Average Exercise Price Per Share
Balance at December 31, 2013	5.6		$	380.71
Options granted	0.4		$	435.91
Options exercised	(0.3	)	$	288.27
Options forfeited/expired	(0.2	)	$	477.51
Balance at June 30, 2014	5.5		$	384.72

Summary of RSU Activity

A summary of RSU activity for the six months ended June 30, 2014, is presented as follows (in millions, except per share amounts):

	Shares	Weighted Average Grant Date Fair Value
Unvested balance at December 31, 2013	—	$	—
Granted	0.2	$	439.61
Vested	—	$	—
Canceled	—	$	—
Unvested balance at June 30, 2014	0.2	$	439.61

The fair value of RSUs is determined based on the closing quoted price of the Company's common stock on the day of the grant.

Summary of Share-Based Compensation Expense

The following table summarizes share-based compensation expense for the three and six months ended June 30, 2014, and 2013 (in millions):

	Three Months Ended   June 30,				Six Months Ended   June 30,
	2014		2013		2014		2013
Cost of sales - products	$	4.6	$	4.1	$	9.0	$	8.0
Cost of sales - services	3.3		3.0		6.4		5.9
Total cost of sales	7.9		7.1		15.4		13.9
Selling, general and administrative	25.2		23.0		49.3		46.0
Research and development	8.8		8.6		18.0		17.0
Share-based compensation expense before income taxes	41.9		38.7		82.7		76.9
Income tax benefit	13.2		12.4		26.2		24.6
Share-based compensation expense after income taxes	$	28.7	$	26.3	$	56.5	$	52.3

Schedule of Estimated Fair Value of the Option Using Black-Scholes Option Pricing Model, Weighted Average Assumptions

The fair value of each option grant and the fair value of the option component of the ESPP shares were estimated at the date of grant using the Black-Scholes option pricing model with the following weighted-average assumptions, assuming no expected dividends:

	Three Months Ended   June 30,						Six Months Ended   June 30,
	2014			2013			2014			2013
Stock Option Plans
Risk free interest rate	1.7		%	0.8		%	1.5		%	0.9		%
Expected term (in years)	4.4			4.4			4.5			4.6
Expected volatility	32		%	31		%	31		%	29		%
Weighted average fair value at grant date	$	111.74		$	132.88		$	122.55		$	141.68
Employee Stock Purchase Plan
Risk free interest rate	—			—			0.2		%	0.2		%
Expected term (in years)	—			—			1.3			1.3
Expected volatility	—			—			33		%	33		%
Weighted average fair value at grant date	—			—			$	128.87		$	170.51