Consolidated Condensed Statements of Shareholders' Equity Statement - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Retained Earnings	Treasury Stock At Cost	Stock Employee Compensation Trust (SECT)	Supplemental Retirement Plan (SERP) Trust	Accumulated Other Comprehensive Loss	Class A Common Stock	Class A Common Stock Treasury Stock At Cost	Class A Common Stock Stock Employee Compensation Trust (SECT)	Class B Common Stock	Class B Common Stock Treasury Stock At Cost	Class B Common Stock Stock Employee Compensation Trust (SECT)	Class B Common Stock Supplemental Retirement Plan (SERP) Trust
Beginning of period at Oct. 03, 2020		$ 51,280	$ 472,645	$ 2,112,734	$ (990,783)	$ (64,242)	$ (53,098)	$ (285,453)
Increase (Decrease) in Stockholders' Equity
Issuance of shares			6,539		8,442
Equity-based compensation expense			4,367
Adjustments to market - SECT and SERP			35,455
Net earnings	$ 86,530			86,530
Dividends				(16,046)
Class A and B shares purchased					(18,048)
Issuance of shares - SECT						274
Purchase of shares - SECT	(2,559)					(2,559)
Adjustment to market						(18,507)	(16,949)
Other comprehensive income (loss)	25,876							25,876
End of period at Apr. 03, 2021	$ 1,338,457	51,280	519,006	2,183,218	(1,000,389)	(85,034)	(70,047)	(259,577)
Beginning of period - Common Stock at Oct. 03, 2020									43,799,229			7,480,484
Increase (Decrease) in Stockholders' Equity
Conversion of Class B to Class A									3,000			(3,000)
End of period - Common Stock at Apr. 03, 2021									43,802,229			7,477,484
Beginning of period, Shares at Oct. 03, 2020										(13,959,998)	(425,148)		(3,344,877)	(557,543)	(826,170)
Increase (Decrease) in Stockholders' Equity
Class A and B shares issued related to equity compensation, shares										17,560			247,053
Class A and B shares purchased, shares										(169,453)			(93,507)
Issuance of shares - SECT														4,135
Purchase of shares - SECT														(32,176)
End of period, Shares at Apr. 03, 2021										(14,111,891)	(425,148)		(3,191,331)	(585,584)	(826,170)
Increase (Decrease) in Stockholders' Equity
Common Stock, Dividends, Per Share, Declared	$ 0.50
Beginning of period at Jan. 02, 2021		51,280	505,038	2,142,566	(1,000,795)	(78,597)	(65,986)	(250,262)
Increase (Decrease) in Stockholders' Equity
Issuance of shares			3,421		7,592
Equity-based compensation expense			1,955
Adjustments to market - SECT and SERP			8,592
Net earnings	$ 48,688			48,688
Dividends				(8,036)
Class A and B shares purchased					(7,186)
Issuance of shares - SECT						0
Purchase of shares - SECT						(1,904)
Adjustment to market						(4,533)	(4,061)
Other comprehensive income (loss)	(9,315)							(9,315)
End of period at Apr. 03, 2021	$ 1,338,457	51,280	519,006	2,183,218	(1,000,389)	(85,034)	(70,047)	(259,577)
Beginning of period - Common Stock at Jan. 02, 2021									43,802,229			7,477,484
Increase (Decrease) in Stockholders' Equity
Conversion of Class B to Class A									0			0
End of period - Common Stock at Apr. 03, 2021									43,802,229			7,477,484
Beginning of period, Shares at Jan. 02, 2021										(14,018,121)	(425,148)		(3,366,679)	(561,951)	(826,170)
Increase (Decrease) in Stockholders' Equity
Class A and B shares issued related to equity compensation, shares										3,108			175,994
Class A and B shares purchased, shares										(96,878)			(646)
Issuance of shares - SECT														0
Purchase of shares - SECT														(23,633)
End of period, Shares at Apr. 03, 2021										(14,111,891)	(425,148)		(3,191,331)	(585,584)	(826,170)
Increase (Decrease) in Stockholders' Equity
Common Stock, Dividends, Per Share, Declared	$ 0.25
Beginning of period at Oct. 02, 2021	$ 1,400,144	51,280	509,622	2,237,848	(1,007,506)	(79,776)	(63,764)	(247,560)
Increase (Decrease) in Stockholders' Equity
Issuance of shares			7,609		5,573
Equity-based compensation expense			3,999
Adjustments to market - SECT and SERP			22,062
Net earnings	75,352			75,352
Dividends				(16,351)
Class A and B shares purchased					(26,481)
Issuance of shares - SECT						7,574
Purchase of shares - SECT	(10,396)					(10,396)
Adjustment to market						(11,950)	(10,112)
Other comprehensive income (loss)	(16,375)							(16,375)
End of period at Apr. 02, 2022	$ 1,430,648	51,280	543,292	2,296,849	(1,028,414)	(94,548)	(73,876)	(263,935)
Beginning of period - Common Stock at Oct. 02, 2021									43,803,236			7,476,477
Increase (Decrease) in Stockholders' Equity
Conversion of Class B to Class A									625			(625)
End of period - Common Stock at Apr. 02, 2022									43,803,861			7,475,852
Beginning of period, Shares at Oct. 02, 2021										(14,157,721)	(425,148)		(3,179,055)	(600,880)	(826,170)
Increase (Decrease) in Stockholders' Equity
Class A and B shares issued related to equity compensation, shares										29,029			199,172
Class A and B shares purchased, shares										(248,382)			(102,384)
Issuance of shares - SECT														93,763
Purchase of shares - SECT														(124,943)
End of period, Shares at Apr. 02, 2022										(14,377,074)	(425,148)		(3,082,267)	(632,060)	(826,170)
Increase (Decrease) in Stockholders' Equity
Common Stock, Dividends, Per Share, Declared	$ 0.51
Beginning of period at Jan. 01, 2022		51,280	518,857	2,276,082	(1,023,086)	(82,721)	(66,094)	(249,895)
Increase (Decrease) in Stockholders' Equity
Issuance of shares			5,854		4,496
Equity-based compensation expense			1,594
Adjustments to market - SECT and SERP			16,987
Net earnings	$ 29,087			29,087
Dividends				(8,320)
Class A and B shares purchased					(9,824)
Issuance of shares - SECT						5,499
Purchase of shares - SECT						(8,121)
Adjustment to market						(9,205)	(7,782)
Other comprehensive income (loss)	(14,040)							(14,040)
End of period at Apr. 02, 2022	$ 1,430,648	$ 51,280	$ 543,292	$ 2,296,849	$ (1,028,414)	$ (94,548)	$ (73,876)	$ (263,935)
Beginning of period - Common Stock at Jan. 01, 2022									43,803,236			7,476,477
Increase (Decrease) in Stockholders' Equity
Conversion of Class B to Class A									625			(625)
End of period - Common Stock at Apr. 02, 2022									43,803,861			7,475,852
Beginning of period, Shares at Jan. 01, 2022										(14,326,118)	(425,148)		(3,154,267)	(603,707)	(826,170)
Increase (Decrease) in Stockholders' Equity
Class A and B shares issued related to equity compensation, shares										6,987			140,834
Class A and B shares purchased, shares										(57,943)			(68,834)
Issuance of shares - SECT														68,763
Purchase of shares - SECT														(97,116)
End of period, Shares at Apr. 02, 2022										(14,377,074)	(425,148)		(3,082,267)	(632,060)	(826,170)
Increase (Decrease) in Stockholders' Equity
Common Stock, Dividends, Per Share, Declared	$ 0.26