Stock Transactions And Stock-Based Compensation (Tables)

6 Months Ended

Jun. 29, 2012

Share-based Compensation [Abstract]

Assumptions Used In The Black-Scholes Model To Value Options Granted

The following summarizes the assumptions used in the Black-Scholes model to value options granted during the six months ended June 29, 2012:

Risk-free interest rate	1.0 – 1.7%
Weighted average volatility	33.0%
Dividend yield	0.2%
Expected years until exercise	6.0 to 8.5

Components Of Stock-Based Compensation Program

The following table summarizes the components of the Company’s stock-based compensation program recorded as expense ($ in millions):

	Three Months Ended						Six Months Ended
	June 29, 2012			July 1, 2011			June 29, 2012			July 1, 2011
RSUs and restricted shares:
Pre-tax compensation expense	$	14.5		$	11.0		$	27.2		$	20.4
Income tax benefit	(4.4		)	(4.1		)	(9.2		)	(7.6		)
RSU and restricted share expense, net of income taxes	$	10.1		$	6.9		$	18.0		$	12.8
Stock options:
Pre-tax compensation expense	$	12.2		$	12.2		$	23.2		$	25.6
Income tax benefit	(3.7		)	(3.5		)	(7.0		)	(7.3		)
Stock option expense, net of income taxes	$	8.5		$	8.7		$	16.2		$	18.3
Total stock-based compensation expense:
Pre-tax compensation expense	$	26.7		$	23.2		$	50.4		$	46.0
Income tax benefit	(8.1		)	(7.6		)	(16.2		)	(14.9		)
Total stock-based compensation expense, net of income taxes	$	18.6		$	15.6		$	34.2		$	31.1

Option Activity Under The Company's Stock Plans

Option activity under the Company’s stock plans during the six months ended June 29, 2012 was as follows (in thousands; except exercise price and number of years):

	Options		Weighted Average Exercise Price		Weighted Average Remaining Contractual Term (in Years)	Aggregate Intrinsic Value
Outstanding as of December 31, 2011	32,454		$	32.98
Granted	1,787		$	53.54
Exercised	(4,565	)	$	24.37
Cancelled / forfeited	(749	)	$	38.73
Outstanding as of June 29, 2012	28,927		$	35.46	6	$	483,522
Vested and Expected to Vest as of June 29, 2012 (1)	28,259		$	35.26	6	$	478,106
Exercisable as of June 29, 2012	16,245		$	30.66	4	$	348,082

(1) The “Expected to Vest” options are the net unvested options that remain after applying the pre-vesting forfeiture rate assumption to total unvested options.

RSU And Restricted Shares Activity

The following table summarizes information on unvested RSUs and restricted shares activity during the six months ended June 29, 2012:

	Number of RSUs / Restricted Shares (in thousands)		Weighted-Average Grant-Date  Fair Value
Unvested as of December 31, 2011	5,979		$	37.72
Granted	772		$	53.56
Vested	(1,158	)	$	31.35
Forfeited	(284	)	$	38.15
Unvested as of June 29, 2012	5,309		$	41.39