CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common Stock	Addl. Paid in Capital	Treasury Stock	Accum. Other Comp. (Loss)	Retained Earnings	Non-controlling Interest
Balance at Dec. 28, 2019	$ 1,496,014	$ 256	$ 867,996	$ (216,447)	$ (106,823)	$ 950,901	$ 131
Increase (Decrease) in Stockholders' Equity
Net income (loss)	24,644					24,644
Other comprehensive loss, net of tax	(14,979)				(14,979)
Stock-based compensation	2,965		2,965
Withheld shares on restricted share units for withholding taxes	(443)			(443)
Stock options exercised	3,399		3,399
Repurchases of common stock	(22,927)			(22,927)
Cash dividends paid	(11,725)					(11,725)
Balance at Mar. 28, 2020	1,476,948	256	874,360	(239,817)	(121,802)	963,820	131
Balance at Dec. 28, 2019	1,496,014	256	867,996	(216,447)	(106,823)	950,901	131
Increase (Decrease) in Stockholders' Equity
Net income (loss)	15,653
Other comprehensive loss, net of tax	(17,396)
Repurchases of common stock	(22,900)
Balance at Jun. 27, 2020	1,462,434	257	885,306	(242,192)	(124,219)	943,151	131
Balance at Mar. 28, 2020	1,476,948	256	874,360	(239,817)	(121,802)	963,820	131
Increase (Decrease) in Stockholders' Equity
Net income (loss)	(8,991)					(8,991)
Other comprehensive loss, net of tax	(2,417)				(2,417)
Stock-based compensation	7,887		7,887
Withheld shares on restricted share units for withholding taxes	(2,375)			(2,375)
Stock options exercised	3,060	1	3,059
Cash dividends paid	(11,678)					(11,678)
Balance at Jun. 27, 2020	1,462,434	257	885,306	(242,192)	(124,219)	943,151	131
Balance at Dec. 26, 2020	1,608,773	259	907,858	(242,366)	(91,157)	1,034,048	131
Increase (Decrease) in Stockholders' Equity
Net income (loss)	57,713					57,713
Other comprehensive loss, net of tax	(4,871)				(4,871)
Stock-based compensation	3,395		3,395
Stock options exercised	7,509		7,509
Cash dividends paid	(11,782)					(11,782)
Balance at Mar. 27, 2021	1,660,737	259	918,762	(242,366)	(96,028)	1,079,979	131
Balance at Dec. 26, 2020	1,608,773	259	907,858	(242,366)	(91,157)	1,034,048	131
Increase (Decrease) in Stockholders' Equity
Net income (loss)	139,808
Other comprehensive loss, net of tax	583
Balance at Jun. 26, 2021	1,742,220	260	930,106	(247,963)	(90,574)	1,150,260	131
Balance at Mar. 27, 2021	1,660,737	259	918,762	(242,366)	(96,028)	1,079,979	131
Increase (Decrease) in Stockholders' Equity
Net income (loss)	82,095					82,095
Other comprehensive loss, net of tax	5,454				5,454
Stock-based compensation	8,843		8,843
Withheld shares on restricted share units for withholding taxes	(5,597)			(5,597)
Stock options exercised	2,502	1	2,501
Cash dividends paid	(11,814)					(11,814)
Balance at Jun. 26, 2021	$ 1,742,220	$ 260	$ 930,106	$ (247,963)	$ (90,574)	$ 1,150,260	$ 131