Note 11 - Segment Information - Operations Information by Reporting Segment (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 24, 2023	Jun. 25, 2022	Jun. 24, 2023	Jun. 25, 2022	Sep. 24, 2022
Sales	$ 425,769	$ 380,227	$ 1,114,966	$ 980,230
Depreciation and amortization	15,763	13,016	46,384	38,067
Operating income	48,294	21,260	67,815	40,193
Capital expenditures	27,348	28,925	76,472	64,231
Assets	1,304,097	1,291,242	1,304,097	1,291,242	$ 1,216,966
Food Service [Member]
Sales	254,980	227,842	711,558	615,914
Depreciation and amortization	9,797	7,097	28,852	20,436
Operating income	20,786	2,640	32,306	12,177
Capital expenditures	20,015	21,673	58,621	45,757
Assets	959,657	957,719	959,657	957,719
Food Service [Member] | Soft Pretzels [Member]
Sales	63,527	55,946	171,242	149,628
Food Service [Member] | Frozen Juices and Ices [Member]
Sales	47,410	17,155	95,782	32,917
Food Service [Member] | Churros [Member]
Sales	30,470	25,614	81,147	62,550
Food Service [Member] | Handhelds [Member]
Sales	17,003	25,740	60,884	64,741
Food Service [Member] | Bakery [Member]
Sales	87,582	95,495	281,830	287,293
Food Service [Member] | Other Products [Member]
Sales	8,988	7,892	20,673	18,785
Retail Supermarket [Member]
Sales	61,150	61,008	150,583	144,460
Depreciation and amortization	540	405	1,423	1,157
Operating income	4,168	2,341	5,766	8,416
Capital expenditures	345	2,815	1,824	6,438
Assets	12,327	29,147	12,327	29,147
Retail Supermarket [Member] | Soft Pretzels [Member]
Sales	10,269	11,696	40,767	43,642
Retail Supermarket [Member] | Frozen Juices and Ices [Member]
Sales	41,684	41,865	80,423	78,586
Retail Supermarket [Member] | Handhelds [Member]
Sales	4,452	1,589	11,443	3,934
Retail Supermarket [Member] | Other Products [Member]
Sales	(5)	397	(20)	501
Retail Supermarket [Member] | Biscuits [Member]
Sales	5,135	6,066	18,906	20,024
Retail Supermarket [Member] | Coupon Redemtion [Member]
Coupon redemption	(385)	(605)	(936)	(2,227)
Frozen Beverages [Member]
Sales	109,639	91,377	252,825	219,856
Depreciation and amortization	5,426	5,514	16,109	16,474
Operating income	23,340	16,279	29,743	19,600
Capital expenditures	6,988	4,437	16,027	12,036
Assets	332,113	304,376	332,113	304,376
Frozen Beverages [Member] | Other Products [Member]
Sales	1,063	826	2,116	1,777
Frozen Beverages [Member] | Beverage [Member]
Sales	72,878	57,791	153,336	126,919
Frozen Beverages [Member] | Repair and Maintenance Service [Member]
Sales	24,144	22,892	70,556	65,903
Frozen Beverages [Member] | Machine Sales [Member]
Sales	$ 11,554	$ 9,868	$ 26,817	$ 25,257