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. 31, 2016		67,585,675			25,747,541
Beginning Balance at Dec. 31, 2016	$ 542,557	$ 676	$ 199,414	$ 1,512,993	$ (1,167,437)	$ (3,089)	$ 0
Net income (loss)	176,996			177,088			(92)
Dividends	(78,923)			(78,923)
Issuance of stock related to stock-based compensation plans (in shares)		154,705			1,952
Issuance of stock related to stock-based compensation plans	2,302	$ 1	2,464		$ (163)
Stock-based compensation	7,721		7,721
Other comprehensive (loss) income	(417)					(73)	(344)
Acquired business and noncontrolling interests	3,641						3,641
Ending Balance (in shares) at Dec. 30, 2017		67,740,380			25,749,493
Ending Balance at Dec. 30, 2017	653,877	$ 677	209,599	1,611,158	$ (1,167,600)	(3,162)	3,205
Adoption of accounting standards (Note 1) at Dec. 29, 2018	773			773
Net income (loss)	255,213			255,281			(68)
Dividends	(25,933)			(25,933)
Purchases of common stock (in shares)					2,000,000
Purchases of common stock	(208,087)				$ (208,087)
Transaction with noncontrolling interests			1,078				(1,078)
Issuance of stock related to stock-based compensation plans (in shares)		130,582			5,508
Issuance of stock related to stock-based compensation plans	(2,503)	$ 2	(2,081)		$ (424)
Stock-based compensation	18,256		18,256
Other comprehensive (loss) income	(2,463)					(2,713)	250
Ending Balance (in shares) at Dec. 29, 2018		67,870,962			27,755,001
Ending Balance at Dec. 29, 2018	689,133	$ 679	226,852	1,841,279	$ (1,376,111)	(5,875)	2,309
Net income (loss)	227,703			227,720			(17)
Dividends	(106,838)			(106,838)
Purchases of common stock (in shares)					849,068
Purchases of common stock	(88,578)				$ (88,578)
Purchase of noncontrolling interests	(600)		1,842				(2,442)
Issuance of stock related to stock-based compensation plans (in shares)		212,457			5,857
Issuance of stock related to stock-based compensation plans	(7,400)	$ 2	(6,807)		$ (595)
Stock-based compensation	4,236		4,236
Other comprehensive (loss) income	3,813					3,663	150
Ending Balance (in shares) at Dec. 28, 2019		68,083,419			28,609,926
Ending Balance at Dec. 28, 2019	$ 721,469	$ 681	$ 226,123	$ 1,962,161	$ (1,465,284)	$ (2,212)	$ 0