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			6,435		8,920
Equity-based compensation expense			5,990
Adjustments to market - SECT and SERP			34,566
Net earnings	$ 122,652			122,652
Dividends				(24,081)
Class A and B shares purchased					(25,891)
Issuance of shares - SECT						679
Purchase of shares - SECT	(3,535)					(3,535)
Adjustment to market						(18,216)	(16,350)
Other comprehensive income (loss)	32,953							32,953
End of period at Jul. 03, 2021	$ 1,367,205	51,280	519,636	2,211,305	(1,007,754)	(85,314)	(69,448)	(252,500)
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									3,035			(3,035)
End of period - Common Stock at Jul. 03, 2021									43,802,264			7,477,449
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										29,309			255,979
Class A and B shares purchased, shares										(171,175)			(179,989)
Issuance of shares - SECT														8,683
Purchase of shares - SECT														(43,339)
End of period, Shares at Jul. 03, 2021										(14,101,864)	(425,148)		(3,268,887)	(592,199)	(826,170)
Increase (Decrease) in Stockholders' Equity
Common Stock, Dividends, Per Share, Declared	$ 0.75
Beginning of period at Apr. 03, 2021		51,280	519,006	2,183,218	(1,000,389)	(85,034)	(70,047)	(259,577)
Increase (Decrease) in Stockholders' Equity
Issuance of shares			(104)		478
Equity-based compensation expense			1,623
Adjustments to market - SECT and SERP			(889)
Net earnings	$ 36,122			36,122
Dividends				(8,035)
Class A and B shares purchased					(7,843)
Issuance of shares - SECT						405
Purchase of shares - SECT						(976)
Adjustment to market						291	599
Other comprehensive income (loss)	7,077							7,077
End of period at Jul. 03, 2021	$ 1,367,205	51,280	519,636	2,211,305	(1,007,754)	(85,314)	(69,448)	(252,500)
Beginning of period - Common Stock at Apr. 03, 2021									43,802,229			7,477,484
Increase (Decrease) in Stockholders' Equity
Conversion of Class B to Class A									35			(35)
End of period - Common Stock at Jul. 03, 2021									43,802,264			7,477,449
Beginning of period, Shares at Apr. 03, 2021										(14,111,891)	(425,148)		(3,191,331)	(585,584)	(826,170)
Increase (Decrease) in Stockholders' Equity
Class A and B shares issued related to equity compensation, shares										11,749			8,926
Class A and B shares purchased, shares										(1,722)			(86,482)
Issuance of shares - SECT														4,548
Purchase of shares - SECT														(11,163)
End of period, Shares at Jul. 03, 2021										(14,101,864)	(425,148)		(3,268,887)	(592,199)	(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			9,187		6,087
Equity-based compensation expense			5,706
Adjustments to market - SECT and SERP			4,056
Net earnings	125,761			125,761
Dividends				(24,653)
Class A and B shares purchased					(30,485)
Issuance of shares - SECT						7,586
Purchase of shares - SECT	(11,484)					(11,484)
Adjustment to market						(1,891)	(2,165)
Other comprehensive income (loss)	(56,424)							(56,424)
End of period at Jul. 02, 2022	$ 1,431,425	51,280	528,571	2,338,956	(1,031,904)	(85,565)	(65,929)	(303,984)
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									2,629			(2,629)
End of period - Common Stock at Jul. 02, 2022									43,805,865			7,473,848
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										37,707			225,702
Class A and B shares purchased, shares										(301,673)			(102,544)
Issuance of shares - SECT														93,899
Purchase of shares - SECT														(137,770)
End of period, Shares at Jul. 02, 2022										(14,421,687)	(425,148)		(3,055,897)	(644,751)	(826,170)
Increase (Decrease) in Stockholders' Equity
Common Stock, Dividends, Per Share, Declared	$ 0.77
Beginning of period at Apr. 02, 2022		51,280	543,292	2,296,849	(1,028,414)	(94,548)	(73,876)	(263,935)
Increase (Decrease) in Stockholders' Equity
Issuance of shares			1,578		514
Equity-based compensation expense			1,707
Adjustments to market - SECT and SERP			(18,006)
Net earnings	$ 50,409			50,409
Dividends				(8,302)
Class A and B shares purchased					(4,004)
Issuance of shares - SECT						12
Purchase of shares - SECT						(1,088)
Adjustment to market						10,059	7,947
Other comprehensive income (loss)	(40,049)							(40,049)
End of period at Jul. 02, 2022	$ 1,431,425	$ 51,280	$ 528,571	$ 2,338,956	$ (1,031,904)	$ (85,565)	$ (65,929)	$ (303,984)
Beginning of period - Common Stock at Apr. 02, 2022									43,803,861			7,475,852
Increase (Decrease) in Stockholders' Equity
Conversion of Class B to Class A									2,004			(2,004)
End of period - Common Stock at Jul. 02, 2022									43,805,865			7,473,848
Beginning of period, Shares at Apr. 02, 2022										(14,377,074)	(425,148)		(3,082,267)	(632,060)	(826,170)
Increase (Decrease) in Stockholders' Equity
Class A and B shares issued related to equity compensation, shares										8,678			26,530
Class A and B shares purchased, shares										(53,291)			(160)
Issuance of shares - SECT														136
Purchase of shares - SECT														(12,827)
End of period, Shares at Jul. 02, 2022										(14,421,687)	(425,148)		(3,055,897)	(644,751)	(826,170)
Increase (Decrease) in Stockholders' Equity
Common Stock, Dividends, Per Share, Declared	$ 0.26