XML 73 R51.htm IDEA: XBRL DOCUMENT
v3.5.0.2

Note E - Property, Plant and Equipment - Summary of Property, Plant and Equipment (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Sep. 24, 2016 | Sep. 26, 2015
Land [Member] |  |
Property, plant and equipment, at cost | $ 2,512 | $ 2,496
Building [Member] | Minimum [Member] |  |
Property, plant and equipment, estimated useful life | 15 years |
Building [Member] | Maximum [Member] |  |
Property, plant and equipment, estimated useful life | 39 years 182 days |
Building [Member] |  |
Property, plant and equipment, at cost | $ 26,741 | 26,741
Machinery and Equipment [Member] | Minimum [Member] |  |
Property, plant and equipment, estimated useful life | 5 years |
Machinery and Equipment [Member] | Maximum [Member] |  |
Property, plant and equipment, estimated useful life | 20 years |
Machinery and Equipment [Member] |  |
Property, plant and equipment, at cost | $ 227,614 | 210,728
Equipment [Member] | Minimum [Member] |  |
Property, plant and equipment, estimated useful life | 5 years |
Equipment [Member] | Maximum [Member] |  |
Property, plant and equipment, estimated useful life | 7 years |
Equipment [Member] |  |
Property, plant and equipment, at cost | $ 278,299 | 266,047
Transportation Equipment [Member] |  |
Property, plant and equipment, at cost | $ 7,637 | 6,866
Property, plant and equipment, estimated useful life | 5 years |
Office Equipment [Member] | Minimum [Member] |  |
Property, plant and equipment, estimated useful life | 3 years |
Office Equipment [Member] | Maximum [Member] |  |
Property, plant and equipment, estimated useful life | 5 years |
Office Equipment [Member] |  |
Property, plant and equipment, at cost | $ 22,136 | 20,586
Improvements [Member] | Minimum [Member] |  |
Property, plant and equipment, estimated useful life | 5 years |
Improvements [Member] | Maximum [Member] |  |
Property, plant and equipment, estimated useful life | 20 years |
Improvements [Member] |  |
Property, plant and equipment, at cost | $ 34,750 | 28,725
Construction in Progress [Member] |  |
Property, plant and equipment, at cost | 5,356 | 9,486
Property, plant and equipment, at cost | $ 605,045 | $ 571,675

X
- Definition Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.13) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_PropertyPlantAndEquipmentGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. + References No definition available. + Details
Name: | us-gaap_PropertyPlantAndEquipmentUsefulLife
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_LandMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_BuildingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_MachineryAndEquipmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_EquipmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_TransportationEquipmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_OfficeEquipmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=jjsf_ImprovementsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_ConstructionInProgressMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |