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					$ (781,422)
Beginning balance at Dec. 26, 2020	$ 27,900	$ 335	$ 2,245,035	$ (309,786)		$ 25,774	$ 1,207,836
Increase (Decrease) in Shareholders' Equity
Net earnings			168,774			1,137	169,911
Other comprehensive income (loss)				(436)		(318)	(754)
Cash dividends declared			(31,848)				(31,848)
Purchase of treasury shares, shares acquired					(24,100)		(24,100)
Stock plan exercises, shares acquired					(16,955)		(16,955)
Stock options exercised		(10,294)	(3,886)		36,927		22,747
Stock option expense		1,885					1,885
Stock awards		14,742			1,268		16,010
Ending balance at Sep. 25, 2021	27,900	6,668	2,378,075	(310,222)		26,593	1,344,732
Increase (Decrease) in Shareholders' Equity
Treasury stock					(786,857)
Beginning balance at Jun. 26, 2021	27,900		2,337,015	(283,435)		26,861	1,321,484
Increase (Decrease) in Shareholders' Equity
Net earnings			51,650			603	52,253
Other comprehensive income (loss)				(26,787)		(871)	(27,658)
Cash dividends declared			(10,617)				(10,617)
Purchase of treasury shares, shares acquired					(2,500)		(2,500)
Stock plan exercises, shares acquired					(33)		(33)
Stock options exercised		(2,194)	27		5,023		2,856
Stock option expense		618					618
Stock awards		8,244			85		8,329
Ending balance at Sep. 25, 2021	27,900	6,668	2,378,075	(310,222)		26,593	1,344,732
Increase (Decrease) in Shareholders' Equity
Treasury stock					(784,282)
Treasury stock					(773,712)		(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			210,531			2,512	213,043
Other comprehensive income (loss)				(64,993)		(1,998)	(66,991)
Cash dividends declared			(35,197)				(35,197)
Purchase of noncontrolling interest		1,599				(8,937)	(7,338)
Addition of noncontrolling interest						41,693	41,693
Purchase of treasury shares, shares acquired					(20,491)		(20,491)
Stock plan exercises, shares acquired					(4,341)		(4,341)
Stock options exercised		(4,946)			13,724		8,778
Stock option expense		2,301					2,301
Stock awards		12,818			14,879		27,697
Ending balance at Sep. 24, 2022	27,900	13,251	2,569,641	(328,120)		60,020	1,572,751
Increase (Decrease) in Shareholders' Equity
Treasury stock					(764,917)
Beginning balance at Jun. 25, 2022	27,900	4,321	2,509,262	(288,184)		64,768	1,553,150
Increase (Decrease) in Shareholders' Equity
Net earnings			72,112			818	72,930
Other comprehensive income (loss)				(39,936)		(1,060)	(40,996)
Cash dividends declared			(11,733)				(11,733)
Purchase of noncontrolling interest		1,410				(4,456)	(3,046)
Addition of noncontrolling interest						50	50
Purchase of treasury shares, shares acquired					(10,715)		(10,715)
Stock plan exercises, shares acquired					(136)		(136)
Stock options exercised		(2,859)			5,791		2,932
Stock option expense		749					749
Stock awards		9,630			36		9,666
Ending balance at Sep. 24, 2022	$ 27,900	$ 13,251	$ 2,569,641	$ (328,120)		$ 60,020	1,572,751
Increase (Decrease) in Shareholders' Equity
Treasury stock					$ (769,941)		$ (769,941)