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Note B - Acquisitions (Details Textual) - USD ($)				3 Months Ended				12 Months Ended
	Aug. 16, 2017	May 22, 2017	Dec. 30, 2016	Sep. 28, 2019	Jun. 29, 2019	Mar. 30, 2019	Dec. 29, 2018	Sep. 28, 2019	Sep. 29, 2018	Sep. 30, 2017
Operating Income (Loss), Total								$ 116,956,000	$ 110,775,000	$ 118,107,000
Revenue from Contract with Customer, Including Assessed Tax				$ 311,872,000	$ 326,701,000	$ 276,302,000	$ 271,612,000	$ 1,186,487,000	1,138,265,000	1,084,224,000
Hill & Valley Inc. [Member]
Minimum Annual Revenues			$ 45,000,000
Labriola Baking Company [Member]
Minimum Annual Revenues	$ 17,000,000
Hill & Valley Inc. [Member]
Payments to Acquire Businesses, Gross			$ 31,000,000
Minimum Annual Revenues									59,900,000	35,800,000
Operating Income (Loss), Total									2,400,000	653,000
ICEE Distributor [Member]
Payments to Acquire Businesses, Gross		$ 11,000,000
Revenue from Contract with Customer, Including Assessed Tax									3,500,000	1,700,000
Labriola Baking Company [Member]
Payments to Acquire Businesses, Gross	$ 6,000,000
Revenue from Contract with Customer, Including Assessed Tax									14,000,000	$ 2,000,000
Business Combination, Acquisition Related Costs									$ 1,070,000

X

- Definition

Amount of minimum annual revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

+ References

No definition available.

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X

- Definition

This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 25
-Paragraph 23
-URI http://asc.fasb.org/extlink&oid=116868678&loc=d3e1043-128460

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X

- Definition

The net result for the period of deducting operating expenses from operating revenues.

+ References

No definition available.

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X

- Definition

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (b)(1)
-URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3213-108585

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- Definition

Amount, including tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value-added and excise.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130543-203045

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