Consolidated Statements of Equity - USD ($) $ in Thousands	Total	Common Stock	Addl. Paid in Capital	Treasury Stock	Accum. Other Comp. Inc. (Loss)	Retained Earnings	Non-controlling Interest
Balance at Dec. 31, 2016	$ 814,931	$ 228	$ 291,258	$ (36,510)	$ (74,579)	$ 634,391	$ 143
Net income	119,519					119,519
Other comprehensive income (loss), net of tax	10,911				10,911
Stock-based compensation	16,315		16,315
Non-controlling interest	(6)						(6)
Withheld shares on restricted share units for withholding taxes	(4,784)			(4,784)
Stock options exercised	2,440	1	2,439
Cash dividends paid	(31,770)					(31,770)
Balance at Dec. 30, 2017	927,556	229	310,012	(41,294)	(63,668)	722,140	137
Net income	164,565					164,565
Other comprehensive income (loss), net of tax	(24,461)				(24,461)
Cumulative effect adjustment					(9,795)	9,795
Stock-based compensation	27,431		27,431
Non-controlling interest	(6)						(6)
Withheld shares on restricted share units for withholding taxes	(7,252)			(7,252)
Stock options exercised	26,109	4	26,105
Issuance of common stock	472,301	21	472,280
Repurchases of common stock	(67,908)			(67,908)
Cash dividends paid	(39,993)					(39,993)
Balance at Dec. 29, 2018	1,478,342	254	835,828	(116,454)	(97,924)	856,507	131
Net income	139,082					139,082
Other comprehensive income (loss), net of tax	(8,899)				(8,899)
Stock-based compensation	19,046		19,046
Withheld shares on restricted share units for withholding taxes	(4,957)			(4,957)
Stock options exercised	13,124	2	13,122
Repurchases of common stock	(95,036)			(95,036)
Cash dividends paid	(44,688)					(44,688)
Balance at Dec. 28, 2019	$ 1,496,014	$ 256	$ 867,996	$ (216,447)	$ (106,823)	$ 950,901	$ 131