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
	Mar. 31, 2020	Mar. 30, 2019
Earnings Per Share [Abstract]
Income available to common shareholders, basic	$ 147,159	$ 166,219
Income available to common shareholders including assumed conversions, diluted	$ 147,159	$ 166,219
Basic weighted average shares outstanding	309,657	324,573
Stock options and non-vested shares, incremental shares	2,583	2,430
Diluted weighted average shares outstanding	312,240	327,003
Basic earnings per share	$ 0.48	$ 0.51
Diluted earnings per share	$ 0.47	$ 0.51