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
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. 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]
Net earnings	$ 281,907
Balance at Jun. 30, 2020		$ 3,712	2,120,341	6,101,402		(4,057,768)	(149,671)
Common Stock, shares issued at Jun. 30, 2020		371,187,000
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
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exercise of stock options		$ 10	28,540
Exercise of stock options, shares		1,009,000
Employee share-based compensation expense			37,549
Other Comprehensive Income (Loss)							9,692
Cash dividends declared				(55,602)
Net earnings	134,748			134,748
Balance at Jun. 30, 2020		$ 3,712	2,120,341	6,101,402		(4,057,768)	(149,671)
Common Stock, shares issued at Jun. 30, 2020		371,187,000
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)
Cash dividends declared				(67,191)
Net earnings				172,252
Balance at Mar. 31, 2021		$ 3,740	2,368,227	6,580,612		(4,514,718)	(125,424)
Common Stock, shares issued at Mar. 31, 2021		374,049,000
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]
Treasury stock purchases	$ 750,000
Net earnings	204,959
Balance at Jun. 30, 2021	$ 4,026,484	$ 3,769	2,509,545	6,546,615		(4,914,718)	(118,727)
Common Stock, shares issued at Jun. 30, 2021	376,935,912	376,936,000
Balance at Mar. 31, 2021		$ 3,740	2,368,227	6,580,612		(4,514,718)	(125,424)
Common stock, shares issued at Mar. 31, 2021		374,049,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exercise of stock options		$ 29	87,377
Exercise of stock options, shares		2,887,000
Employee share-based compensation expense			53,941
Other Comprehensive Income (Loss)							6,697
Treasury stock purchases						(400,000)
Cash dividends declared				(66,704)
Net earnings	$ 32,707			32,707
Balance at Jun. 30, 2021	$ 4,026,484	$ 3,769	$ 2,509,545	$ 6,546,615		$ (4,914,718)	$ (118,727)
Common Stock, shares issued at Jun. 30, 2021	376,935,912	376,936,000