Earnings Per Share (Reconciliation Of The Numerators And The Denominators Of The Basic And Diluted Per Share) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 28, 2019	Sep. 28, 2019	Jun. 29, 2019	Mar. 30, 2019	Dec. 29, 2018	Sep. 29, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 28, 2019	Dec. 29, 2018	Dec. 30, 2017
Earnings Per Share [Abstract]
Income available to common shareholders, basic									$ 529,454	$ 630,059	$ 866,978
Income available to common shareholders including assumed conversions, diluted									$ 529,454	$ 630,059	$ 866,978
Basic weighted average shares outstanding									318,229	330,084	331,373
Stock options, non-vested shares and share units									3,006	3,488	6,626
Diluted weighted average shares outstanding									321,235	333,572	337,999
Basic earnings per share	$ 0.49	$ 0.26	$ 0.40	$ 0.51	$ 0.40	$ 0.51	$ 0.51	$ 0.48	$ 1.66	$ 1.91	$ 2.62
Diluted earnings per share	$ 0.49	$ 0.26	$ 0.39	$ 0.51	$ 0.40	$ 0.51	$ 0.51	$ 0.48	$ 1.65	$ 1.89	$ 2.57