XML 56 R41.htm IDEA: XBRL DOCUMENT
v3.20.2

Employee Benefit Plans (Tables) | 12 Months Ended
--- | ---
Jun. 25, 2020
Postemployment Benefits [Abstract] |
Expense for 401(k) Plan | Expense for the 401(k) plan was as follows for the last three fiscal years:
|  | Year ended June 25, 2020 |  |  | Year ended June 27, 2019 |  |  | Year ended June 28, 2018 |
401(k) plan expense |  | $ | 2,116 |  |  | $ | 2,040 |  |  | $ | 1,741 |
Total Route Pension Liability | The total Route pension liability was as follows for the last two fiscal years:
|  | June 25, 2020 |  |  | June 27, 2019 |
Route pension liability |  | $ | 168 |  |  | $ | 251 |

X
- Definition Employees Benefit Plan Expense [Table Text Block] + References No definition available. + Details
Name: | jbss_EmployeesBenefitPlanExpenseTableTextBlock
Namespace Prefix: | jbss_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Route Pension Liability [Table Text Block] + References No definition available. + Details
Name: | jbss_RoutePensionLiabilityTableTextBlock
Namespace Prefix: | jbss_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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