Note 9 - Operations Information by Reporting Segment (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Mar. 31, 2018	Mar. 25, 2017	Mar. 31, 2018	Mar. 25, 2017	Sep. 30, 2017
Sales	$ 266,101	$ 246,513	$ 531,311	$ 472,083
Depreciation and amortization	11,153	10,799	23,139	20,710
Operating income	23,541	24,111	44,769	43,438
Capital expenditures	11,658	21,584	26,281	32,983
Assets	887,549	825,037	887,549	825,037	$ 867,228
Food Service [Member]
Sales	179,465	164,078	361,729	314,375
Depreciation and amortization	6,041	6,395	13,139	12,127
Operating income	18,535	19,636	34,435	36,690
Capital expenditures	6,259	12,026	15,700	18,613
Assets	652,850	616,971	652,850	616,971
Retail Supermarket [Member]
Sales	28,084	25,612	51,160	47,231
Depreciation and amortization	358	360	648	638
Operating income	2,534	2,454	5,092	3,500
Capital expenditures	103	131	103	213
Assets	23,783	23,502	23,783	23,502
Frozen Beverages [Member]
Sales	58,552	56,823	118,422	110,477
Depreciation and amortization	4,754	4,044	9,352	7,945
Operating income	2,472	2,021	5,242	3,248
Capital expenditures	5,296	9,427	10,478	14,157
Assets	210,916	184,564	210,916	184,564
Soft Pretzels [Member] \| Food Service [Member]
Sales	48,748	42,993	97,769	84,487
Soft Pretzels [Member] \| Retail Supermarket [Member]
Sales	10,081	9,186	20,593	18,130
Frozen Juices and Ices [Member] \| Food Service [Member]
Sales	9,439	9,693	16,623	17,172
Frozen Juices and Ices [Member] \| Retail Supermarket [Member]
Sales	15,438	13,191	25,165	23,042
Churros [Member] \| Food Service [Member]
Sales	15,272	14,719	29,864	29,157
Handhelds [Member] \| Food Service [Member]
Sales	9,331	8,102	20,693	15,581
Handhelds [Member] \| Retail Supermarket [Member]
Sales	2,763	3,376	5,789	6,826
Bakery [Member] \| Food Service [Member]
Sales	90,813	83,804	185,746	159,083
Other Products [Member] \| Food Service [Member]
Sales	5,862	4,767	11,034	8,895
Other Products [Member] \| Retail Supermarket [Member]
Sales	420	754	982	1,387
Other Products [Member] \| Frozen Beverages [Member]
Sales	263	302	513	550
Coupon Redemtion [Member] \| Retail Supermarket [Member]
Sales	(618)	(895)	(1,369)	(2,154)
Beverage [Member] \| Frozen Beverages [Member]
Sales	34,286	31,822	68,589	60,098
Repair and Maintenance Service [Member] \| Frozen Beverages [Member]
Sales	19,308	17,687	38,312	35,778
Machine Sales [Member] \| Frozen Beverages [Member]
Sales	$ 4,695	$ 7,012	$ 11,008	$ 14,051

Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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