XML 59 R48.htm IDEA: XBRL DOCUMENT
v3.10.0.1

COMMITMENTS AND CONTINGENCIES - Workers' Compensation Commitments (Details) - USD ($) $ in Thousands | 6 Months Ended |
--- | --- | ---
Jul. 01, 2018 | Dec. 31, 2017
Workers' Compensation Commitments [Line Items] |  |
Cash collateral held by workers’ compensation insurance carriers | $ 21,946 | $ 22,148
Cash and cash equivalents held in Trust | 25,447 | 16,113
Investments held in Trust | 166,424 | 171,752
Letters of credit | 7,618 | 7,748
Surety bonds | 22,014 | 19,829
Total collateral commitments | $ 243,449 | $ 237,590
Surety bonds annual fee limit, % of bond amount | 2.00% |
Surety bonds required cancellation notice | 60 days |
Minimum |  |
Workers' Compensation Commitments [Line Items] |  |
Surety bonds review and renewal period if elected | 1 year |
Maximum |  |
Workers' Compensation Commitments [Line Items] |  |
Surety bonds review and renewal period if elected | 4 years |

X
- Definition Cash collateral held by insurance carriers as of the reporting date for workers' compensation obligations for which the insurance carriers become responsible should we become insolvent. + References No definition available. + Details
Name: | tbi_CollateralCommitmentsCashCollateralHeldByInsuranceCarriers
Namespace Prefix: | tbi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Collateral Commitments, Letters of Credit + References No definition available. + Details
Name: | tbi_CollateralCommitmentsLettersofCredit
Namespace Prefix: | tbi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Maximum fee percentage on bond amount for surety bonds issued by independent insurance companies on our behalf. + References No definition available. + Details
Name: | tbi_CollateralCommitmentsSuretyBondAnnualFeeLimitPercentageOfBondAmount
Namespace Prefix: | tbi_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The total amount of surety bonds issued by independent insurance companies on our behalf as of the reporting date. + References No definition available. + Details
Name: | tbi_CollateralCommitmentsSuretyBonds
Namespace Prefix: | tbi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The minimum time requirement for notification of cancellation for a surety bond. + References No definition available. + Details
Name: | tbi_CollateralCommitmentsSuretyBondsRequiredCancellationNotice
Namespace Prefix: | tbi_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The period of time in which the terms of surety bonds are subject to review and renewal. + References No definition available. + Details
Name: | tbi_CollateralCommitmentsSuretyBondsReviewAndRenewalPeriodIfElected
Namespace Prefix: | tbi_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Total collateral commitments required by insurance carriers as of the reporting date for workers' compensation obligations for which the insurance carriers become responsible should we become insolvent. + References No definition available. + Details
Name: | tbi_CollateralCommitmentsTotalCollateralCommitments
Namespace Prefix: | tbi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Workers' Compensation Commitments [Line Items] + References No definition available. + Details
Name: | tbi_WorkersCompensationCommitmentsLineItems
Namespace Prefix: | tbi_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of cash, securities, or other assets held by a third-party trustee pursuant to the terms of an agreement which assets are available to be used by beneficiaries to that agreement only within the specific terms thereof and which agreement is expected to terminate more than one year from the balance sheet date (or operating cycle, if longer) at which time the assets held-in-trust will be released or forfeited. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(b)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
Name: | us-gaap_AssetsHeldInTrustNoncurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of investment in debt security measured at amortized cost (held-to-maturity). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109979856&loc=d3e26610-111562 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27232-111563 + Details
Name: | us-gaap_HeldToMaturitySecurities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |