Earnings Per Share (Schedule Of Computation Of Earnings Per Share And Effect On Weighted-Average Number Of Shares) (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2023	Apr. 01, 2022
Numerator:
Net income	$ 128.8	$ 110.3
Denominator:
Weighted-average number of common shares used in basic earnings per share (in shares)	247.2	250.8
Effect of dilutive securities (in shares)	1.5	2.0
Weighted-average number of common shares and dilutive potential common shares used in diluted earnings per share (in shares)	248.7	252.8
Basic earnings per share (in usd per share)	$ 0.52	$ 0.44
Diluted earnings per share (in usd per share)	$ 0.52	$ 0.44
Antidilutive weighted-average shares (in shares)	1.6	0.7