XML 76 R54.htm IDEA: XBRL DOCUMENT
v3.5.0.2

Note F - Goodwill and Intangible Assets - Goodwill (Details) - USD ($) $ in Thousands | Sep. 24, 2016 | Sep. 26, 2015
--- | --- | ---
Food Service [Member] |  |
Goodwill | $ 46,832 | $ 46,832
Retail Supermarket [Member] |  |
Goodwill | 3,670 | 3,670
Frozen Beverages [Member] |  |
Goodwill | 35,940 | 35,940
Goodwill | $ 86,442 | $ 86,442

X
- Definition Amount before accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a,h) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
Name: | us-gaap_GoodwillGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=jjsf_FoodServiceMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=jjsf_RetailSupermarketMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=jjsf_FrozenBeveragesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |