CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) $ in Thousands	Common stock	Additional paid-in capital	Retained earnings	Accumulated other comprehensive income (loss)	Treasury stock	Noncontrolling interest in consolidated subsidiaries	Total
Increase (Decrease) in Shareholders' Equity
Treasury stock balance					$ (773,712)
Beginning balance at Dec. 25, 2021	$ 27,900	$ 1,479	$ 2,394,307	$ (263,127)		$ 26,750	$ 1,413,597
Increase (Decrease) in Shareholders' Equity
Net earnings (loss)			62,311			595	62,906
Other comprehensive income (loss)				30,967		1,093	32,060
Cash dividends declared			(11,721)				(11,721)
Stock options and incentive plans		(3,772)			(3,877)		(7,649)
Ending balance at Mar. 26, 2022	27,900	5,251	2,444,897	(232,160)		28,438	1,504,491
Beginning balance at Dec. 25, 2021	27,900	1,479	2,394,307	(263,127)		26,750	1,413,597
Increase (Decrease) in Shareholders' Equity
Net earnings (loss)							140,113
Other comprehensive income (loss)							(25,995)
Ending balance at Jun. 25, 2022	27,900	4,321	2,509,262	(288,184)		64,768	1,553,150
Increase (Decrease) in Shareholders' Equity
Treasury stock balance					(769,835)
Beginning balance at Mar. 26, 2022	27,900	5,251	2,444,897	(232,160)		28,438	1,504,491
Increase (Decrease) in Shareholders' Equity
Net earnings (loss)			76,108			1,099	77,207
Other comprehensive income (loss)				(56,024)		(2,031)	(58,055)
Cash dividends declared			(11,743)				(11,743)
Purchase of treasury shares					(9,776)		(9,776)
Purchase of noncontrolling interest		189				(4,481)	(4,292)
Addition of noncontrolling interest due to acquisition						41,743	41,743
Stock options and incentive plans		1,119			(14,694)		(13,575)
Ending balance at Jun. 25, 2022	27,900	$ 4,321	2,509,262	(288,184)		64,768	1,553,150
Increase (Decrease) in Shareholders' Equity
Treasury stock balance					(764,917)
Treasury stock balance					(765,183)		(765,183)
Beginning balance at Dec. 31, 2022	27,900		2,593,039	(274,909)		60,865	1,641,712
Increase (Decrease) in Shareholders' Equity
Net earnings (loss)			74,540			(2,195)	72,345
Other comprehensive income (loss)				8,776		293	9,069
Cash dividends declared			(12,634)				(12,634)
Purchase of treasury shares					(111,115)		(111,115)
Dividends to noncontrolling interests						(662)	(662)
Stock options and incentive plans			19,317		(19,002)		315
Ending balance at Apr. 01, 2023	27,900		2,635,628	(266,133)		58,301	1,598,400
Beginning balance at Dec. 31, 2022	27,900		2,593,039	(274,909)		60,865	1,641,712
Increase (Decrease) in Shareholders' Equity
Net earnings (loss)							161,143
Other comprehensive income (loss)							19,945
Ending balance at Jul. 01, 2023	27,900		2,710,382	(255,602)		58,068	1,670,292
Increase (Decrease) in Shareholders' Equity
Treasury stock balance					(857,296)
Beginning balance at Apr. 01, 2023	27,900		2,635,628	(266,133)		58,301	1,598,400
Increase (Decrease) in Shareholders' Equity
Net earnings (loss)			89,376			(578)	88,798
Other comprehensive income (loss)				10,531		345	10,876
Cash dividends declared			(12,607)				(12,607)
Purchase of treasury shares					(25,132)		(25,132)
Stock options and incentive plans			2,015		(11,972)		(9,957)
Ending balance at Jul. 01, 2023	$ 27,900		$ 2,710,382	$ (255,602)		$ 58,068	1,670,292
Increase (Decrease) in Shareholders' Equity
Treasury stock balance					$ (870,456)		$ (870,456)