XML 113 R98.htm IDEA: XBRL DOCUMENT v3.20.2

Retirement Plan - Components of Actuarial Loss Portion of Change in Projected Benefit Obligation (Detail) - USD ($) $ in Thousands	12 Months Ended
	Jun. 25, 2020	Jun. 27, 2019	Jun. 28, 2018
Schedule Of Actuarial Gain Loss In Projected Benefit Obligation [Abstract]
Change in assumed pay increases	$ 2,352	$ 293	$ (56)
Change in discount rate	4,285	2,174	(523)
Change in mortality assumptions	(1,083)	(69)	(117)
Other	318	199	185
Actuarial loss (gain)	$ 5,872	$ 2,597	$ (511)

X

- Definition

Actuarial gain loss other.

+ References

No definition available.

+ Details

Name:	jbss_ActuarialGainLossOther
Namespace Prefix:	jbss_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Change In Assumed Pay Increases Impacting Actuarial Gain Loss

+ References

No definition available.

+ Details

Name:	jbss_ChangeInAssumedPayIncreasesImpactingActuarialGainLoss
Namespace Prefix:	jbss_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Change In Discount Rate Impacting Actuarial Gain Loss

+ References

No definition available.

+ Details

Name:	jbss_ChangeInDiscountRateImpactingActuarialGainLoss
Namespace Prefix:	jbss_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Change in mortality assumption impacting actuarial gain (loss).

+ References

No definition available.

+ Details

Name:	jbss_ChangeInMortalityAssumptionImpactingActuarialGainLoss
Namespace Prefix:	jbss_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Schedule of actuarial gain loss in projected benefit obligation.

+ References

No definition available.

+ Details

Name:	jbss_ScheduleOfActuarialGainLossInProjectedBenefitObligationAbstract
Namespace Prefix:	jbss_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount of gain (loss) from change in actuarial assumptions which (increases) decreases benefit obligation of defined benefit plan. Assumptions include, but are not limited to, interest, mortality, employee turnover, salary, and temporary deviation from substantive plan.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (a)(4)
-URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920

+ Details

Name:	us-gaap_DefinedBenefitPlanActuarialGainLoss
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration