Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Total	Common Stock Amount [Member]	Capital In Excess of Par Value [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]
Beginning Balance at Dec. 31, 2017	$ 2,503,188	$ 110,361	$ 58,828	$ 2,380,517	$ (46,518)
Net income	237,927		0	237,927
Other comprehensive income (loss)	(129,963)
Dividends	(31,013)			(31,013)	0
Exercise of employee stock options and related income tax benefits	24,833	709	24,124
Issuance of common stock for employee benefit plans	1,485	21	1,464
Cost of Repurchased Common Shares, Repurchase Plan and Amount for Statutory Tax Withholding Obligations	57,393	717	56,676
Issuance of common stock for long-term incentive program	15,873	223	15,650
Stock compensation	5,382	0	5,382	0	0
Ending Balance at Dec. 30, 2018	2,584,955	110,597	48,772	2,602,067	(176,481)
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	(123,474)
Other Comprehensive Income (Loss), after Reclassifications, Net of Tax	(123,474)				(123,474)
Net income	227,558			227,558
Other comprehensive income (loss)	(23,165)
Dividends	(30,941)			(30,941)
Exercise of employee stock options and related income tax benefits	19,732	415	19,317
Issuance of common stock for employee benefit plans	2,776	33	2,743
Cost of Repurchased Common Shares, Repurchase Plan and Amount for Statutory Tax Withholding Obligations	6,313	67	6,246
Issuance of common stock for long-term incentive program	19,307	162	19,145
Stock compensation	6,626	0	6,626	0	0
Ending Balance at Dec. 29, 2019	2,813,824	111,140	90,357	2,811,973	(199,646)
Other Comprehensive Income (Loss), after Reclassifications, Net of Tax	(23,165)				(23,165)
Net income	727,887			727,887
Other comprehensive income (loss)	167,685
Dividends	(31,270)			(31,270)
Exercise of employee stock options and related income tax benefits	37,671	764	36,907
Issuance of common stock for employee benefit plans	4,101	39	4,062
Cost of Repurchased Common Shares, Repurchase Plan and Amount for Statutory Tax Withholding Obligations	6,944	72	6,872
Issuance of common stock for long-term incentive program	20,204	219	19,985
Stock compensation	3,662	0	3,662	0	0
Ending Balance at Jan. 03, 2021	3,735,492	$ 112,090	$ 148,101	$ 3,507,262	(31,961)
Other Comprehensive Income (Loss), after Reclassifications, Net of Tax	$ 167,685				$ 167,685