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	24,644					24,644
Total change in other comprehensive income (loss)	(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. 26, 2020	1,608,773	259	907,858	(242,366)	(91,157)	1,034,048	131
Increase (Decrease) in Stockholders' Equity
Net income	57,713					57,713
Total change in other comprehensive income (loss)	(4,871)				(4,871)
Stock-based compensation	3,395		3,395
Stock options exercised	7,509	0	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