CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common Stock	Addl. Paid in Capital	Treasury Stock	Accum. Other Comp. (Loss) Income	Retained Earnings	Non-controlling Interest
Balance at Dec. 29, 2018	$ 1,478,342	$ 254	$ 835,828	$ (116,454)	$ (97,924)	$ 856,507	$ 131
Increase (Decrease) in Stockholders' Equity
Net income	36,989					36,989
Other comprehensive loss, net of tax	8,073				8,073
Stock-based compensation	3,966		3,966
Withheld shares on restricted share units for withholding taxes	(94)			(94)
Stock options exercised	2,292		2,292
Repurchases of common stock	(13,555)			(13,555)
Cash dividends paid	(10,625)					(10,625)
Balance at Mar. 30, 2019	1,505,388	254	842,086	(130,103)	(89,851)	882,871	131
Balance at Dec. 29, 2018	1,478,342	254	835,828	(116,454)	(97,924)	856,507	131
Increase (Decrease) in Stockholders' Equity
Net income	116,428
Other comprehensive loss, net of tax	(14,684)
Repurchases of common stock	(95,000)
Balance at Sep. 28, 2019	1,472,212	256	860,871	(216,384)	(112,608)	939,946	131
Balance at Mar. 30, 2019	1,505,388	254	842,086	(130,103)	(89,851)	882,871	131
Increase (Decrease) in Stockholders' Equity
Net income	43,792					43,792
Other comprehensive loss, net of tax	(5,731)				(5,731)
Stock-based compensation	8,284		8,284
Withheld shares on restricted share units for withholding taxes	(4,010)			(4,010)
Stock options exercised	4,823	1	4,822
Repurchases of common stock	(31,955)			(31,955)
Cash dividends paid	(10,649)					(10,649)
Balance at Jun. 29, 2019	1,509,942	255	855,192	(166,068)	(95,582)	916,014	131
Increase (Decrease) in Stockholders' Equity
Net income	35,647					35,647
Other comprehensive loss, net of tax	(17,026)				(17,026)
Stock-based compensation	3,488		3,488
Withheld shares on restricted share units for withholding taxes	(790)			(790)
Stock options exercised	2,192	1	2,191
Repurchases of common stock	(49,526)			(49,526)
Cash dividends paid	(11,715)					(11,715)
Balance at Sep. 28, 2019	1,472,212	256	860,871	(216,384)	(112,608)	939,946	131
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
Other comprehensive loss, net of tax	(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. 28, 2019	1,496,014	256	867,996	(216,447)	(106,823)	950,901	131
Increase (Decrease) in Stockholders' Equity
Net income	71,009
Other comprehensive loss, net of tax	(415)
Repurchases of common stock	(22,900)
Balance at Sep. 26, 2020	1,529,562	258	891,924	(242,323)	(107,238)	986,810	131
Balance at Mar. 28, 2020	1,476,948	256	874,360	(239,817)	(121,802)	963,820	131
Increase (Decrease) in Stockholders' Equity
Net income	(8,991)					(8,991)
Other comprehensive loss, net of tax	(2,417)				(2,417)
Stock-based compensation	7,887		7,887
Withheld shares on restricted share units for withholding taxes	(2,375)			(2,375)
Stock options exercised	3,060	1	3,059
Cash dividends paid	(11,678)					(11,678)
Balance at Jun. 27, 2020	1,462,434	257	885,306	(242,192)	(124,219)	943,151	131
Increase (Decrease) in Stockholders' Equity
Net income	55,356					55,356
Other comprehensive loss, net of tax	16,981				16,981
Stock-based compensation	3,692		3,692
Withheld shares on restricted share units for withholding taxes	(131)			(131)
Stock options exercised	2,927	1	2,926
Cash dividends paid	(11,697)					(11,697)
Balance at Sep. 26, 2020	$ 1,529,562	$ 258	$ 891,924	$ (242,323)	$ (107,238)	$ 986,810	$ 131