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Note O - Segment Reporting - Operations Information by Reporting Segment (Details) - USD ($) $ in Thousands	3 Months Ended				12 Months Ended
	Sep. 28, 2019	Jun. 29, 2019	Mar. 30, 2019	Dec. 29, 2018	Sep. 28, 2019	Sep. 29, 2018	Sep. 30, 2017
Revenue from Contract with Customer, Including Assessed Tax	$ 311,872	$ 326,701	$ 276,302	$ 271,612	$ 1,186,487	$ 1,138,265	$ 1,084,224
Sales					1,186,487	1,138,265	1,084,224
Depreciation and amortization					48,610	46,477	42,445
Operating income					116,956	110,775	118,107
Capital expenditures					57,128	60,022	72,180
Assets	1,019,339				1,019,339	932,013	867,228
Food Service [Member]
Revenue from Contract with Customer, Including Assessed Tax					761,603	745,944	701,794
Depreciation and amortization					26,978	25,983	24,629
Operating income					78,130	74,056	81,208
Capital expenditures					29,197	36,325	44,067
Assets	772,777				772,777	693,098	635,709
Retail Supermarket [Member]
Revenue from Contract with Customer, Including Assessed Tax					119,276	120,939	119,247
Depreciation and amortization					1,418	1,313	949
Operating income					8,876	8,304	10,627
Capital expenditures					1,979	928	239
Assets	22,673				22,673	21,366	21,129
Frozen Beverages [Member]
Sales					305,608	271,382	263,183
Depreciation and amortization					20,214	19,181	16,867
Operating income					29,950	28,415	26,272
Capital expenditures					25,952	22,769	27,874
Assets	$ 223,889				223,889	217,549	210,390
Soft Pretzels [Member] | Food Service [Member]
Revenue from Contract with Customer, Including Assessed Tax					209,227	208,544	180,138
Soft Pretzels [Member] | Retail Supermarket [Member]
Revenue from Contract with Customer, Including Assessed Tax					36,264	36,438	35,081
Frozen Juices and Ices [Member] | Food Service [Member]
Revenue from Contract with Customer, Including Assessed Tax					43,672	42,364	49,469
Frozen Juices and Ices [Member] | Retail Supermarket [Member]
Revenue from Contract with Customer, Including Assessed Tax					73,751	74,435	71,325
Churros [Member] | Food Service [Member]
Revenue from Contract with Customer, Including Assessed Tax					65,976	61,726	62,809
Handhelds [Member] | Food Service [Member]
Revenue from Contract with Customer, Including Assessed Tax					31,685	38,928	36,913
Handhelds [Member] | Retail Supermarket [Member]
Revenue from Contract with Customer, Including Assessed Tax					10,902	12,419	14,892
Bakery [Member] | Food Service [Member]
Revenue from Contract with Customer, Including Assessed Tax					384,636	371,391	351,357
Other Products [Member] | Food Service [Member]
Revenue from Contract with Customer, Including Assessed Tax					26,407	22,991	21,108
Other Products [Member] | Retail Supermarket [Member]
Revenue from Contract with Customer, Including Assessed Tax					1,955	2,086	2,847
Other Products [Member] | Frozen Beverages [Member]
Sales					2,874	2,988	2,935
Coupon Redemtion [Member] | Retail Supermarket [Member]
Sales					3,596	4,439	4,898
Beverage [Member] | Frozen Beverages [Member]
Sales					171,820	160,937	154,157
Repair and Maintenance Service [Member] | Frozen Beverages [Member]
Sales					85,103	78,805	74,594
Machine Sales [Member] | Frozen Beverages [Member]
Sales					$ 45,811	$ 28,652	$ 31,497

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