Condensed Consolidated Statements of Changes in Stockholders' Equity (Unaudited) - USD ($) $ in Thousands	Total	Cumulative Effect of Change in Accounting Principle	Common Stock	Capital in Excess of Par Value	Retained Earnings	Retained Earnings Cumulative Effect of Change in Accounting Principle	Accumulated Other Comprehensive Income (Loss)	Treasury Stock
Balances at Dec. 29, 2018	$ 1,258,267	$ (2,915)	$ 199	$ 653,477	$ 945,410	$ (2,915)	$ (109,171)	$ (231,648)
Balances (in shares) at Dec. 29, 2018			228,729,585
Balances, treasury shares at Dec. 29, 2018								(17,834,378)
Net income	162,319				162,319
Derivative instruments, net of tax	(7,441)						(7,441)
Pension and postretirement plans, net of tax	$ 4,121						4,121
Accounting Standards Update [Extensible List]	us-gaap:AccountingStandardsUpdate201602Member
Amortization of share-based compensation awards	$ 5,834			5,834
Issuance of deferred compensation				(5)				$ 5
Issuance of deferred compensation (in shares)								339
Time-based restricted stock units issued (Note 16)				(11,498)				$ 11,498
Time-based restricted stock units issued (in shares)								885,123
Issuance of deferred stock awards				(911)				$ 911
Issuance of deferred stock awards (in shares)								69,377
Stock repurchases	(7,054)							$ (7,054)
Stock repurchases (in shares)								(336,088)
Dividends paid on vested share-based payment awards	(1,361)				(1,361)
Dividends paid	(118,438)				(118,438)
Balances at Oct. 05, 2019	1,293,332		$ 199	646,897	985,015		(112,491)	$ (226,288)
Balances (in shares) at Oct. 05, 2019			228,729,585
Balances, treasury shares at Oct. 05, 2019								(17,215,627)
Balances at Dec. 29, 2018	1,258,267	$ (2,915)	$ 199	653,477	945,410	$ (2,915)	(109,171)	$ (231,648)
Balances (in shares) at Dec. 29, 2018			228,729,585
Balances, treasury shares at Dec. 29, 2018								(17,834,378)
Balances at Dec. 28, 2019	$ 1,263,430		$ 199	648,492	947,046		(106,020)	$ (226,287)
Balances (in shares) at Dec. 28, 2019			228,729,585
Balances, treasury shares at Dec. 28, 2019	(17,215,514)							(17,215,514)
Balances at Jul. 13, 2019	$ 1,294,269		$ 199	645,376	981,846		(106,862)	$ (226,290)
Balances (in shares) at Jul. 13, 2019			228,729,585
Balances, treasury shares at Jul. 13, 2019								(17,215,740)
Net income	43,358				43,358
Derivative instruments, net of tax	(6,865)						(6,865)
Pension and postretirement plans, net of tax	1,236						1,236
Amortization of share-based compensation awards	1,523			1,523
Issuance of deferred compensation				(2)				$ 2
Issuance of deferred compensation (in shares)								113
Dividends paid	(40,189)				(40,189)
Balances at Oct. 05, 2019	1,293,332		$ 199	646,897	985,015		(112,491)	$ (226,288)
Balances (in shares) at Oct. 05, 2019			228,729,585
Balances, treasury shares at Oct. 05, 2019								(17,215,627)
Balances at Dec. 28, 2019	$ 1,263,430		$ 199	648,492	947,046		(106,020)	$ (226,287)
Balances (in shares) at Dec. 28, 2019			228,729,585
Balances, treasury shares at Dec. 28, 2019	(17,215,514)							(17,215,514)
Net income	$ 96,494				96,494
Derivative instruments, net of tax	3,954						3,954
Pension and postretirement plans, net of tax	103,670						103,670
Amortization of share-based compensation awards	9,669			9,669
Issuance of deferred compensation				(32)				$ 32
Issuance of deferred compensation (in shares)								2,397
Time-based restricted stock units issued (Note 16)				(975)				$ 975
Time-based restricted stock units issued (in shares)								74,204
Issuance of deferred stock awards				(651)				$ 651
Issuance of deferred stock awards (in shares)								49,539
Stock repurchases	(783)							$ (783)
Stock repurchases (in shares)								(37,433)
Dividends paid on vested share-based payment awards	(109)				(109)
Dividends paid	(124,839)				(124,839)
Balances at Oct. 03, 2020	$ 1,351,486		$ 199	656,503	918,592		1,604	$ (225,412)
Balances (in shares) at Oct. 03, 2020			228,729,585
Balances, treasury shares at Oct. 03, 2020	(17,126,807)							(17,126,807)
Balances at Jul. 11, 2020	$ 1,336,488		$ 199	653,672	916,565		(8,534)	$ (225,414)
Balances (in shares) at Jul. 11, 2020			228,729,585
Balances, treasury shares at Jul. 11, 2020								(17,126,920)
Net income	44,347				44,347
Derivative instruments, net of tax	10,086						10,086
Pension and postretirement plans, net of tax	52						52
Amortization of share-based compensation awards	2,833			2,833
Issuance of deferred compensation				(2)				$ 2
Issuance of deferred compensation (in shares)								113
Dividends paid	(42,320)				(42,320)
Balances at Oct. 03, 2020	$ 1,351,486		$ 199	$ 656,503	$ 918,592		$ 1,604	$ (225,412)
Balances (in shares) at Oct. 03, 2020			228,729,585
Balances, treasury shares at Oct. 03, 2020	(17,126,807)							(17,126,807)