Stock-Based Compensation (Tables)

3 Months Ended

Mar. 30, 2012

Stock-Based Compensation [Abstract]

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

Risk-free interest rate	1.14 – 1.70%
Weighted average volatility	33.4%
Dividend yield	0.20%
Expected years until exercise	6.0 to 8.5

Components Of Stock-Based Compensation Program

	Three Months Ended
	March 30, 2012			April 1, 2011
Restricted stock units and restricted shares:
Pre-tax compensation expense	$	12.7		$	9.4
Tax benefit		(4.8	)		(3.5	)
Restricted stock unit and restricted share expense, net of tax	$	7.9		$	5.9
Stock options:
Pre-tax compensation expense	$	11.0		$	13.4
Tax benefit		(3.3	)		(3.8	)
Stock option expense, net of tax	$	7.7		$	9.6
Total stock-based compensation expense:
Pre-tax compensation expense	$	23.7		$	22.8
Tax benefit		(8.1	)		(7.3	)
Total stock-based compensation expense, net of tax	$	15.6		$	15.5

Option Activity Under The Company's Stock Plans

	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		1,644		$	53.48
Exercised		(3,470	)	$	24.44
Cancelled / forfeited		(582	)	$	38.55
Outstanding as of March 30, 2012		30,046		$	34.98		6	$	631,535
Vested and Expected to Vest as of March 30, 2012 (1)		29,317		$	34.75		6	$	622,888
Exercisable as of March 30, 2012		17,189		$	30.16		4	$	444,181

(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

	Number of RSUs / Restricted Shares (in thousands)			Weighted-Average Grant-Date  Fair Value
Unvested as of December 31, 2011		5,979		$	37.72
Granted		684		$	53.48
Vested		(1,074	)	$	30.78
Forfeited		(204	)	$	37.88
Unvested as of March 30, 2012		5,385		$	41.10