XML 126 R111.htm IDEA: XBRL DOCUMENT
v3.20.2

Garysburg, North Carolina Facility - Additional Information (Detail) $ in Thousands | 12 Months Ended
--- | ---
Jun. 25, 2020 USD ($)
Fire Note [Line Items] |
Clean-up cost and damage to capital assets | $ 2,000
Damage from Fire, Explosion or Other Hazard [Member] |
Fire Note [Line Items] |
Advance payment of insurance | $ 2,934

X
- Definition Costs incurred related extraordinary fire event. + References No definition available. + Details
Name: | jbss_CostsIncurredRelatedExtraordinaryFireEvent
Namespace Prefix: | jbss_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | jbss_FireNotelineItemsLineItems
Namespace Prefix: | jbss_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of insurance proceeds for an event or transaction that is unusual in nature or infrequent in occurrence, or both. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=114868883&loc=SL114871943-224233 + Details
Name: | us-gaap_UnusualOrInfrequentItemInsuranceProceeds
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_LossContingenciesByNatureOfContingencyAxis=us-gaap_DamageFromFireExplosionOrOtherHazardMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |