Stock Transactions And Stock-Based Compensation (Tables)

9 Months Ended

Sep. 28, 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 nine months ended September 28, 2012:

Risk-free interest rate	0.7 – 1.7%
Weighted average volatility	30.4%
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						Nine Months Ended
	September 28, 2012			September 30, 2011			September 28, 2012			September 30, 2011
RSUs and restricted shares:
Pre-tax compensation expense	$	16.0		$	13.6		$	43.2		$	34.0
Income tax benefit	(4.9		)	(5.1		)	(14.1		)	(12.7		)
RSU and restricted share expense, net of income taxes	$	11.1		$	8.5		$	29.1		$	21.3
Stock options:
Pre-tax compensation expense	$	13.0		$	12.1		$	36.2		$	37.6
Income tax benefit	(4.0		)	(3.6		)	(11.0		)	(10.9		)
Stock option expense, net of income taxes	$	9.0		$	8.5		$	25.2		$	26.7
Total stock-based compensation expense:
Pre-tax compensation expense	$	29.0		$	25.7		$	79.4		$	71.6
Income tax benefit	(8.9		)	(8.7		)	(25.1		)	(23.6		)
Total stock-based compensation expense, net of income taxes	$	20.1		$	17.0		$	54.3		$	48.0

Option Activity Under The Company's Stock Plans

Option activity under the Company’s stock plans during the nine months ended September 28, 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	3,939		$	52.20
Exercised	(5,903	)	$	25.32
Cancelled / forfeited	(979	)	$	39.86
Outstanding as of September 28, 2012	29,511		$	36.85	6	$	540,044
Vested and Expected to Vest as of September 28, 2012 (1)	28,656		$	36.56	6	$	532,836
Exercisable as of September 28, 2012	16,745		$	31.81	4	$	390,864

(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 nine months ended September 28, 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	1,639		$	52.15
Vested	(1,553	)	$	33.26
Forfeited	(393	)	$	39.45
Unvested as of September 28, 2012	5,672		$	42.99