Note 10 - Segment Information - Operations Information by Reporting Segment (Details) - USD ($) $ in Thousands	3 Months Ended			9 Months Ended
	Jun. 29, 2024	Jun. 24, 2023	Jun. 24, 2023	Jun. 29, 2024	Jun. 24, 2023	Jun. 24, 2023	Sep. 30, 2023
Sales	$ 439,957	$ 425,769	$ 425,769	$ 1,147,999	$ 1,114,966	$ 1,114,966
Depreciation and amortization	18,193	15,763		52,385		46,384
Operating income	50,116	48,294	48,294	77,703	67,815	67,815
Capital expenditures	19,745	27,348		56,371		76,472
Assets	1,380,675	1,304,097	1,304,097	1,380,675	1,304,097	1,304,097	$ 1,277,236
Food Service [Member]
Sales	264,446	254,980		723,045		711,558
Depreciation and amortization	12,130	9,797		33,976		28,852
Operating income	20,247	20,786		34,194		32,306
Capital expenditures	12,717	20,015		33,946		58,621
Assets	991,815	959,657	959,657	991,815	959,657	959,657
Retail Supermarket [Member]
Sales	68,723	61,150		165,372		150,583
Depreciation and amortization	396	540		1,448		1,423
Operating income	7,812	4,168		13,374		5,766
Capital expenditures	0	345		2		1,824
Assets	36,719	12,327	12,327	36,719	12,327	12,327
Frozen Beverages [Member]
Sales	106,788	109,639		259,582		252,825
Depreciation and amortization	5,667	5,426		16,961		16,109
Operating income	22,057	23,340		30,135		29,743
Capital expenditures	7,028	6,988		22,423		16,027
Assets	352,141	332,113	$ 332,113	352,141	$ 332,113	332,113
Soft Pretzels [Member] | Food Service [Member]
Sales	59,529	63,527		163,985		171,242
Soft Pretzels [Member] | Retail Supermarket [Member]
Sales	11,110	10,269		46,010		40,767
Frozen Juices and Ices [Member] | Food Service [Member]
Sales	51,701	47,410		100,464		95,782
Frozen Juices and Ices [Member] | Retail Supermarket [Member]
Sales	46,210	41,684		82,747		80,423
Churros [Member] | Food Service [Member]
Sales	30,269	30,470		89,155		81,147
Handhelds [Member] | Food Service [Member]
Sales	21,300	17,003		62,851		60,884
Handhelds [Member] | Retail Supermarket [Member]
Sales	7,562	4,452		20,266		11,443
Bakery [Member] | Food Service [Member]
Sales	93,566	87,582		287,455		281,830
Other Products [Member] | Food Service [Member]
Sales	8,081	8,988		19,135		20,673
Other Products [Member] | Retail Supermarket [Member]
Sales	(67)	(5)		303		(20)
Other Products [Member] | Frozen Beverages [Member]
Sales	1,179	1,063		2,457		2,116
Biscuits [Member] | Retail Supermarket [Member]
Sales	4,839	5,135		18,078		18,906
Coupon Redemtion [Member] | Retail Supermarket [Member]
Coupon redemption	(931)	(385)		(2,032)		(936)
Beverage [Member] | Frozen Beverages [Member]
Sales	72,092	72,878		158,708		153,336
Repair and Maintenance Service [Member] | Frozen Beverages [Member]
Sales	23,748	24,144		71,538		70,556
Machine Sales [Member] | Frozen Beverages [Member]
Sales	$ 9,769	$ 11,554		$ 26,879		$ 26,817