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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. 30, 2017 | Jun. 24, 2017 | Mar. 25, 2017 | Dec. 24, 2016 | Sep. 24, 2016 | Jun. 25, 2016 | Mar. 26, 2016 | Dec. 26, 2015 | Sep. 30, 2017 | Sep. 24, 2016 | Sep. 26, 2015
Revenue, Net |  |  |  | $ 316,726,000 | $ 295,415,000 | $ 246,513,000 | $ 225,570,000 | $ 262,240,000 | $ 277,981,000 | $ 229,710,000 | $ 222,850,000 | $ 1,084,224,000 | $ 992,781,000 | $ 976,256,000
Operating Income (Loss) |  |  |  |  |  |  |  |  |  |  |  | 118,107,000 | $ 112,810,000 | $ 110,888,000
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 |  |  |  |  |  |  |  |  |  |  |
Revenue, Net |  |  |  |  |  |  |  |  |  |  |  | 35,800,000 |  |
Operating Income (Loss) |  |  |  |  |  |  |  |  |  |  |  | 653,000 |  |
ICEE Distributor [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments to Acquire Businesses, Gross |  | $ 11,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Revenue, Net |  |  |  |  |  |  |  |  |  |  |  | 1,689,000 |  |
Operating Income (Loss) |  |  |  |  |  |  |  |  |  |  |  | 395,000 |  |
Labriola Baking Company [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments to Acquire Businesses, Gross | $ 6,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue, Net |  |  |  |  |  |  |  |  |  |  |  | 2,061,000 |  |
Hill & Valley, Inc., ICEE Distributor, and Labriola Baking Company [Member] | Other Expense [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
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. + Details
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- 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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 23 -URI http://asc.fasb.org/extlink&oid=84229725&loc=d3e1043-128460 + Details
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- 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/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3213-108585 + Details
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- Definition Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
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