CONSOLIDATED STATEMENTS OF SHAREHOLDERS’ EQUITY - USD ($)		Total		Cumulative Effect, Period of Adoption, Adjustment	Common stock		Additional paid-in capital		Retained earnings		Retained earnings Cumulative Effect, Period of Adoption, Adjustment	Accumulated other comprehensive income (loss)		Treasury stock		Noncontrolling interest in consolidated subsidiaries
Beginning balance at Dec. 30, 2017	[1]	$ 1,184,591,000			$ 27,900,000		$ 0		$ 1,987,140,000			$ (279,022,000)		$ (590,386,000)		$ 38,959,000
Beginning balance (Accounting Standards Update 2014-09) at Dec. 30, 2017				$ 9,771,000							$ 9,771,000
Beginning balance (Accounting Standards Update 2016-16) at Dec. 30, 2017				1,038,000							1,038,000
Increase (Decrease) in Shareholders' Equity
Net earnings		107,725,000							101,770,000							5,955,000
Other comprehensive income (loss)		(21,534,000)										(24,163,000)				2,629,000
Cash dividends declared		(33,426,000)							(33,426,000)
Dividends to noncontrolling interests		(7,055,000)														(7,055,000)
Purchase of noncontrolling interest		(5,510,000)														(5,510,000)
Addition of noncontrolling interest		40,783,000														40,783,000
Purchase of treasury shares		(114,805,000)												(114,805,000)
Stock plan exercises		(3,589,000)												(3,589,000)
Stock options exercised		7,357,000					(2,397,000)		1,518,000					8,236,000
Stock option expense		4,064,000					4,064,000
Stock awards		6,328,000					(1,667,000)							7,995,000
Ending balance at Dec. 29, 2018		1,175,738,000	[1]	$ (8,886,000)	27,900,000	[1]	0	[1]	2,067,811,000	[1]	$ (8,886,000)	(303,185,000)	[1]	(692,549,000)	[1]	75,761,000	[1]
Increase (Decrease) in Shareholders' Equity
Net earnings		152,105,000							146,408,000							5,697,000
Other comprehensive income (loss)		(10,429,000)										(10,237,000)				(192,000)
Cash dividends declared		(32,503,000)							(32,503,000)
Dividends to noncontrolling interests		(7,737,000)														(7,737,000)
Purchase of noncontrolling interest		(27,845,000)					277,000									(28,122,000)
Purchase of treasury shares		(62,915,000)												(62,915,000)
Stock plan exercises		(12,989,000)												(12,989,000)
Stock options exercised		13,619,000					(3,756,000)		972,000					16,403,000
Stock option expense		2,772,000					2,772,000
Stock awards		8,815,000					707,000							8,108,000
Ending balance at Dec. 28, 2019	[1]	$ 1,189,745,000			27,900,000		0		2,173,802,000			(313,422,000)		(743,942,000)		45,407,000
Increase (Decrease) in Shareholders' Equity
Accounting Standards Update [Extensible List]		us-gaap:AccountingStandardsUpdate201602Member
Net earnings		$ 142,149,000							140,693,000							1,456,000
Other comprehensive income (loss)		5,608,000										3,636,000				1,972,000
Cash dividends declared		(38,393,000)							(38,393,000)
Dividends to noncontrolling interests		(5,642,000)														(5,642,000)
Purchase of noncontrolling interest		(53,611,000)							(31,067,000)							(22,544,000)
Addition of noncontrolling interest		5,125,000														5,125,000
Purchase of treasury shares		(56,491,000)												(56,491,000)
Stock plan exercises		(14,489,000)												(14,489,000)
Stock options exercised		18,961,000					(6,335,000)							25,296,000
Stock option expense		2,628,000					2,628,000
Stock awards		12,246,000					4,042,000							8,204,000
Ending balance at Dec. 26, 2020		$ 1,207,836,000			$ 27,900,000		$ 335,000		$ 2,245,035,000			$ (309,786,000)		$ (781,422,000)		$ 25,774,000

[1] The retained earnings balance has been revised from the amounts previously reported as a result of the change in inventory valuation method from LIFO to FIFO. Refer to Note 1 for additional information.