Consolidated Statement of Changes in Equity - 9 months ended Sep. 29, 2018 - 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. 30, 2017		67,740,380			25,749,493
Beginning Balance at Dec. 30, 2017	$ 653,877	$ 677	$ 209,599	$ 1,611,158	$ (1,167,600)	$ (3,162)	$ 3,205
Net income (loss)	186,913			187,025			(112)
Dividends	(19,276)			(19,276)
Purchases of common stock (in shares)					1,000,000
Purchases of common stock	(105,488)				$ (105,488)
Transaction with noncontrolling interests			1,078				(1,078)
Issuance of stock related to stock-based compensation plans (in shares)		128,998			5,508
Issuance of stock related to stock-based compensation plans	(2,539)	$ 2	(2,117)		$ (424)
Stock-based compensation	13,003		13,003
Other comprehensive (loss) income	(1,053)					(1,407)	354
Ending Balance (in shares) at Sep. 29, 2018		67,869,378			26,755,001
Ending Balance at Sep. 29, 2018	726,210	$ 679	$ 221,563	1,779,680	$ (1,273,512)	$ (4,569)	$ 2,369
Adoption of accounting standards (Note 12) | Accounting Standards Update 2014-09	$ 773			$ 773