Consolidated Statements of Changes in Equity - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-In Capital	Retained Earnings	Treasury Stock at Cost	Accumulated Other Comprehensive (Loss) Income	Non-controlling Interests
Beginning Balance (in shares) at Dec. 29, 2018		67,870,962			27,755,001
Beginning Balance at Dec. 29, 2018	$ 689,133	$ 679	$ 226,852	$ 1,841,279	$ (1,376,111)	$ (5,875)	$ 2,309
Net income (loss)	63,300			63,317			(17)
Net income	63,317
Dividends	(6,629)			(6,629)
Purchases of common stock (in shares)					124,481
Purchases of common stock	(12,977)				$ (12,977)
Purchase of noncontrolling interests	(600)		1,842				(2,442)
Issuance of stock related to stock-based compensation plans (in shares)		176,079			5,199
Issuance of stock related to stock-based compensation plans	(7,604)	$ 1	(7,081)		$ (524)
Stock-based compensation	1,938		1,938
Other comprehensive (loss) income	1,699					1,549	150
Ending Balance (in shares) at Mar. 30, 2019		68,047,041			27,884,681
Ending Balance at Mar. 30, 2019	728,260	$ 680	223,551	1,897,967	$ (1,389,612)	(4,326)	$ 0
Beginning Balance (in shares) at Dec. 28, 2019		68,083,419			28,609,926
Beginning Balance at Dec. 28, 2019	721,469	$ 681	226,123	1,962,161	$ (1,465,284)	(2,212)
Adoption of accounting standards (Note 11) | Accounting Standards Update 2016-13	(702)			(702)
Net income (loss)	40,895
Net income	40,895			40,895
Dividends	(7,336)			(7,336)
Purchases of common stock (in shares)					1,178,970
Purchases of common stock	(115,962)				$ (115,962)
Issuance of stock related to stock-based compensation plans (in shares)		84,063			8,078
Issuance of stock related to stock-based compensation plans	(2,419)	$ 1	(1,781)		$ (639)
Stock-based compensation	631		631
Other comprehensive (loss) income	(9,481)					(9,481)
Ending Balance (in shares) at Mar. 28, 2020		68,167,482			29,796,974
Ending Balance at Mar. 28, 2020	$ 627,095	$ 682	$ 224,973	$ 1,995,018	$ (1,581,885)	$ (11,693)