Consolidated Statements of Changes in Shareholders' Equity Statement - USD ($) $ in Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Retained Earnings [Member] Cumulative Effect, Period of Adoption, Adjustment	Treasury Stock [Member]	AOCI Attributable to Parent [Member]
Balance at Dec. 28, 2019		$ 3,676	$ 1,905,171	$ 5,934,909	$ (4,606)	$ (3,407,768)	$ (118,660)
Common stock, shares issued at Dec. 28, 2019		367,635,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exercise of stock options		$ 26	114,050
Exercise of stock options, shares		2,543,000
Employee share-based compensation expense			35,031
Other Comprehensive Income (Loss)							(40,703)
Treasury stock purchases						(650,000)
Cash dividends declared				(55,206)
Net earnings	$ 147,159			147,159
Balance at Mar. 31, 2020		$ 3,702	2,054,252	6,022,256		(4,057,768)	(159,363)
Common Stock, shares issued at Mar. 31, 2020		370,178,000
Balance at Dec. 31, 2020	$ 4,482,567	$ 3,732	2,288,806	6,475,551		(4,164,718)	(120,804)
Common stock, shares issued at Dec. 31, 2020	373,224,832	373,225,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exercise of stock options		$ 8	31,471
Exercise of stock options, shares		824,000
Employee share-based compensation expense			47,950
Other Comprehensive Income (Loss)							(4,620)
Treasury stock purchases	$ 350,000					(350,000)
Cash dividends declared				(67,191)
Net earnings	172,252			172,252
Balance at Mar. 31, 2021	$ 4,312,437	$ 3,740	$ 2,368,227	$ 6,580,612		$ (4,514,718)	$ (125,424)
Common Stock, shares issued at Mar. 31, 2021	374,048,596	374,049,000