XML 41 R30.htm IDEA: XBRL DOCUMENT v3.23.2

Workers' Compensation Claims - Additional Information (Detail) - USD ($)			6 Months Ended		12 Months Ended
	Jul. 01, 2021	Jun. 29, 2020	Jun. 30, 2023	Jun. 30, 2020	Dec. 31, 2022	Mar. 31, 2023	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Description of renewed agreement			Effective July 1, 2021, the Company entered into a new arrangement for its insured program, whereby third-party insurers assumed all risk of loss for claims incurred from July 1, 2021 to June 30, 2022 (the “2021-2022 Policy”). The arrangement for the insured program was renewed for claims incurred from July 1, 2022 to June 30, 2023 (the “2022-2023 Policy”) and for claims incurred from July 1, 2023 to June 30, 2024 (the “2023-2024 Policy”).
Balance in Chubb trust accounts		$ 115,700,000	$ 163,400,000		$ 188,200,000
Workers compensation liability			191,822,000		215,987,000	$ 201,641,000	$ 241,510,000	$ 262,646,000	$ 279,407,000
Collateral securities maintain to cover potential workers compensation claims losses			48,100,000		54,500,000
Surety bonds and standby letters of credit			48,100,000
Reserves incurred in excess of retention limits			3,700,000		3,000,000.0
Other Assets [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Accrual for costs incurred in excess of retention limits offset by a receivable			3,700,000		$ 3,000,000.0
California [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Surety bonds and standby letters of credit			17,200,000
2021-2022 Policy [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum savings amount for twelve month policy period, if claims develop favorably			20,000,000.0
Maximum additional premium charged amount for twelve month policy period, if claims develop adversely			7,500,000
2022-2023 Policy [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum savings amount for twelve month policy period, if claims develop favorably			22,500,000
Maximum additional premium charged amount for twelve month policy period, if claims develop adversely			0
2023-2024 Policy [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum savings amount for twelve month policy period, if claims develop favorably			28,500,000
Maximum additional premium charged amount for twelve month policy period, if claims develop adversely			$ 0
Self Insured Programs [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of worker's compensation exposure covered			16.00%
Worker's compensation risk claim maximum			$ 3,000,000.0	$ 5,000,000.0
Self Insured Programs [Member] | Maryland [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Reinsurance coverage			1,000,000.0	1,000,000.0
Self Insured Programs [Member] | Colorado [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Reinsurance coverage			$ 2,000,000.0	$ 2,000,000.0
Insured Program [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of worker's compensation exposure covered			84.00%
Worker's compensation risk claim maximum	$ 3,000,000.0
Worker's compensation risk claim maximum		$ 5,000,000.0
Workers compensation liability			$ 53,100,000

X

- Definition

Collateral securities maintain to cover potential workers compensation claims losses.

+ References

No definition available.

+ Details

Name:	bbsi_CollateralSecuritiesMaintainToCoverPotentialWorkersCompensationClaimsLosses
Namespace Prefix:	bbsi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Description of renewed agreement.

+ References

No definition available.

+ Details

Name:	bbsi_DescriptionOfRenewedAgreement
Namespace Prefix:	bbsi_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Insurance deposit as security for future payment obligations under workers compensation program.

+ References

No definition available.

+ Details

Name:	bbsi_InsuranceDepositAsSecurityForFuturePaymentObligationsUnderWorkersCompensationProgram
Namespace Prefix:	bbsi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Maximum additional premium charged amount, if claims develop adversely.

+ References

No definition available.

+ Details

Name:	bbsi_MaximumAdditionalPremiumChargedAmountIfClaimsDevelopAdversely
Namespace Prefix:	bbsi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Maximum savings amount, if claims develop favorably.

+ References

No definition available.

+ Details

Name:	bbsi_MaximumSavingsAmountIfClaimsDevelopFavorably
Namespace Prefix:	bbsi_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Percentage of worker's compensation exposure covered.

+ References

No definition available.

+ Details

Name:	bbsi_PercentageOfWorkersCompensationExposureCovered
Namespace Prefix:	bbsi_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Reinsurance coverage per occurrence.

+ References

No definition available.

+ Details

Name:	bbsi_ReinsuranceCoveragePerOccurrence
Namespace Prefix:	bbsi_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Standby letters of credit and a surety bond.

+ References

No definition available.

+ Details

Name:	bbsi_StandbyLettersOfCreditAndSuretyBond
Namespace Prefix:	bbsi_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Workers compensation accrual for costs incurred in excess of retention limits offset by receivable.

+ References

No definition available.

+ Details

Name:	bbsi_WorkersCompensationAccrualForCostsIncurredInExcessOfRetentionLimitsOffsetByReceivable
Namespace Prefix:	bbsi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Workers compensation claims coverage per occurrence.

+ References

No definition available.

+ Details

Name:	bbsi_WorkersCompensationClaimsCoveragePerOccurrence
Namespace Prefix:	bbsi_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Workers compensation claims incurred in excess of retention limits.

+ References

No definition available.

+ Details

Name:	bbsi_WorkersCompensationClaimsIncurredInExcessOfRetentionLimits
Namespace Prefix:	bbsi_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Workers compensation claims maximum coverage per occurrence.

+ References

No definition available.

+ Details

Name:	bbsi_WorkersCompensationClaimsMaximumCoveragePerOccurrence
Namespace Prefix:	bbsi_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Carrying value as of the balance sheet date of obligations and payables pertaining to claims incurred of a workers compensation nature.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(15)(5))
-URI https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(15)(a))
-URI https://asc.fasb.org/extlink&oid=126734703&loc=d3e572229-122910

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(20))
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(24))
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

Name:	us-gaap_WorkersCompensationLiabilityCurrentAndNoncurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Details

Name:	us-gaap_BalanceSheetLocationAxis=us-gaap_OtherAssetsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_StatementGeographicalAxis=stpr_CA
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_ProductOrServiceAxis=bbsi_TwoThousandTwentyOneToTwoThousandTwentyTwoPolicyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_ProductOrServiceAxis=bbsi_TwoThousandTwentyTwoToTwoThousandTwentyThreePolicyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_ProductOrServiceAxis=bbsi_TwoThousandTwentyThreeToTwoThousandTwentyFourPolicyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_CededCreditRiskAxis=bbsi_SelfInsuredProgramsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_StatementGeographicalAxis=stpr_MD
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_StatementGeographicalAxis=stpr_CO
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_CededCreditRiskAxis=bbsi_InsuredProgramMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: