Stock Transactions And Stock-Based Compensation (Components Of Stock-Based Compensation Program) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 29, 2013	Mar. 30, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Pre-tax compensation expense	$ 27.8	$ 23.7
Income tax benefit	(8.4)	(8.1)
Stock-based compensation expense, net of income taxes	19.4	15.6
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Pre-tax compensation expense	15.5	12.7
Income tax benefit	(4.6)	(4.8)
Stock-based compensation expense, net of income taxes	10.9	7.9
Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Pre-tax compensation expense	12.3	11.0
Income tax benefit	(3.8)	(3.3)
Stock-based compensation expense, net of income taxes	$ 8.5	$ 7.7