XML 69 R49.htm IDEA: XBRL DOCUMENT
v2.4.1.9

LONG-TERM DEBT Revolving Credit Facility Narrative (Details) (USD $) | 0 Months Ended | 3 Months Ended |
--- | --- | --- | ---
Jun. 30, 2014 | Mar. 27, 2015 | Dec. 26, 2014
Revolving Credit Facility [Line Items] |  |  |
Long-term debt |  | $ 113,084,000 us-gaap_LongTermDebt | $ 201,650,000 us-gaap_LongTermDebt
Bank of America, N.A. and Wells Fargo Capital Finance, LLC [Member] |  |  |
Revolving Credit Facility [Line Items] |  |  |
Long-term debt |  | 83,995,000 us-gaap_LongTermDebt / us-gaap_LineOfCreditFacilityAxis = tbi_BankOfAmericaNAAndWellsFargoCapitalFinanceLlcMember | 171,994,000 us-gaap_LongTermDebt / us-gaap_LineOfCreditFacilityAxis = tbi_BankOfAmericaNAAndWellsFargoCapitalFinanceLlcMember
Revolving Credit Facility, interest rate description | one-month |  |
Revolving Credit Facility, interest rate at period end |  | 2.00%us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd / us-gaap_LineOfCreditFacilityAxis = tbi_BankOfAmericaNAAndWellsFargoCapitalFinanceLlcMember |
Bank of America, N.A. and Wells Fargo Capital Finance, LLC [Member] | Revolving Credit Facility [Member] |  |  |
Revolving Credit Facility [Line Items] |  |  |
Revolving Credit Facility, maximum borrowing capacity | 300,000,000 us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity / us-gaap_CreditFacilityAxis = us-gaap_RevolvingCreditFacilityMember / us-gaap_LineOfCreditFacilityAxis = tbi_BankOfAmericaNAAndWellsFargoCapitalFinanceLlcMember |  |
Revolving Credit Facility, current borrowing capacity |  | 240,900,000 us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity / us-gaap_CreditFacilityAxis = us-gaap_RevolvingCreditFacilityMember / us-gaap_LineOfCreditFacilityAxis = tbi_BankOfAmericaNAAndWellsFargoCapitalFinanceLlcMember |
Revolving Credit Facility, amount outstanding |  | 5,000,000 tbi_CollateralizedLettersOfCreditOutstandingAmount / us-gaap_CreditFacilityAxis = us-gaap_RevolvingCreditFacilityMember / us-gaap_LineOfCreditFacilityAxis = tbi_BankOfAmericaNAAndWellsFargoCapitalFinanceLlcMember |
Revolving Credit Facility, utilization rate | 25.00%tbi_Revolvingcreditfacilityutilizationrate / us-gaap_CreditFacilityAxis = us-gaap_RevolvingCreditFacilityMember / us-gaap_LineOfCreditFacilityAxis = tbi_BankOfAmericaNAAndWellsFargoCapitalFinanceLlcMember |  |
Percent of Eligible Billed Accounts Receivable [Member] [Member] | Bank of America, N.A. and Wells Fargo Capital Finance, LLC [Member] | Revolving Credit Facility [Member] |  |  |
Revolving Credit Facility [Line Items] |  |  |
Revolving Credit Facility Borrowing Limits, Percent of Accounts Receivable | 90.00%tbi_RevolvingCreditFacilityBorrowingLimitsPercentOfAccountsReceivable / tbi_BorrowingLimitDeterminationAxis = tbi_PercentofEligibleBilledAccountsReceivableMemberMember / us-gaap_CreditFacilityAxis = us-gaap_RevolvingCreditFacilityMember / us-gaap_LineOfCreditFacilityAxis = tbi_BankOfAmericaNAAndWellsFargoCapitalFinanceLlcMember |  |
Percent of Eligible Accounts Receivable [Member] | Bank of America, N.A. and Wells Fargo Capital Finance, LLC [Member] | Revolving Credit Facility [Member] |  |  |
Revolving Credit Facility [Line Items] |  |  |
Revolving Credit Facility Borrowing Limits, Percent of Accounts Receivable | 15.00%tbi_RevolvingCreditFacilityBorrowingLimitsPercentOfAccountsReceivable / tbi_BorrowingLimitDeterminationAxis = tbi_PercentOfEligibleAccountsReceivableMember / us-gaap_CreditFacilityAxis = us-gaap_RevolvingCreditFacilityMember / us-gaap_LineOfCreditFacilityAxis = tbi_BankOfAmericaNAAndWellsFargoCapitalFinanceLlcMember |  |
Percent of Eligible Unbilled Accounts Receivable [Member] [Member] | Bank of America, N.A. and Wells Fargo Capital Finance, LLC [Member] | Revolving Credit Facility [Member] |  |  |
Revolving Credit Facility [Line Items] |  |  |
Revolving Credit Facility Borrowing Limits, Percent of Accounts Receivable | 85.00%tbi_RevolvingCreditFacilityBorrowingLimitsPercentOfAccountsReceivable / tbi_BorrowingLimitDeterminationAxis = tbi_PercentofEligibleUnbilledAccountsReceivableMemberMember / us-gaap_CreditFacilityAxis = us-gaap_RevolvingCreditFacilityMember / us-gaap_LineOfCreditFacilityAxis = tbi_BankOfAmericaNAAndWellsFargoCapitalFinanceLlcMember |  |
Liquidation Value of Tacoma Headquarters Office Building [Member] | Bank of America, N.A. and Wells Fargo Capital Finance, LLC [Member] | Revolving Credit Facility [Member] |  |  |
Revolving Credit Facility [Line Items] |  |  |
Revolving Credit Facility Borrowing Limits, Liquidation Value Requirement, Pledged Real Estate |  | 17,400,000 tbi_RevolvingCreditFacilityBorrowingLimitsLiquidationValueRequirementPledgedRealEstate / tbi_BorrowingLimitDeterminationAxis = tbi_LiquidationValueOfTacomaHeadquartersOfficeBuildingMember / us-gaap_CreditFacilityAxis = us-gaap_RevolvingCreditFacilityMember / us-gaap_LineOfCreditFacilityAxis = tbi_BankOfAmericaNAAndWellsFargoCapitalFinanceLlcMember |
Revolving Credit Facility Borrowing Limits, Quarterly Reduction, Liquidation Value of Pledged Real Estate |  | 400,000 tbi_RevolvingCreditFacilityBorrowingLimitsQuarterlyReductionLiquidationValueOfPledgedRealEstate / tbi_BorrowingLimitDeterminationAxis = tbi_LiquidationValueOfTacomaHeadquartersOfficeBuildingMember / us-gaap_CreditFacilityAxis = us-gaap_RevolvingCreditFacilityMember / us-gaap_LineOfCreditFacilityAxis = tbi_BankOfAmericaNAAndWellsFargoCapitalFinanceLlcMember |
Revolving Credit Facility Borrowing Limits, Liquidation Value of Pledged Real Estate |  | 16,600,000 tbi_RevolvingCreditFacilityBorrowingLimitsLiquidationValueOfPledgedRealEstate / tbi_BorrowingLimitDeterminationAxis = tbi_LiquidationValueOfTacomaHeadquartersOfficeBuildingMember / us-gaap_CreditFacilityAxis = us-gaap_RevolvingCreditFacilityMember / us-gaap_LineOfCreditFacilityAxis = tbi_BankOfAmericaNAAndWellsFargoCapitalFinanceLlcMember |
Revolving Credit Facility, Liquidity Requirement Component [Member] | Bank of America, N.A. and Wells Fargo Capital Finance, LLC [Member] | Revolving Credit Facility [Member] |  |  |
Revolving Credit Facility [Line Items] |  |  |
Revolving Credit Facility, remaining borrowing capacity |  | 151,900,000 us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity / us-gaap_CreditFacilityAxis = us-gaap_RevolvingCreditFacilityMember / us-gaap_LineOfCreditFacilityAxis = tbi_BankOfAmericaNAAndWellsFargoCapitalFinanceLlcMember / tbi_RevolvingCreditFacilityLiquidityRequirementAxis = tbi_RevolvingCreditFacilityLiquidityRequirementComponentMember |
Revolving Credit Facility, cash and cash equivalents under control agreements |  | 15,100,000 tbi_RevolvingCreditFacilityCashandCashEquivalentsUnderControlAgreements / us-gaap_CreditFacilityAxis = us-gaap_RevolvingCreditFacilityMember / us-gaap_LineOfCreditFacilityAxis = tbi_BankOfAmericaNAAndWellsFargoCapitalFinanceLlcMember / tbi_RevolvingCreditFacilityLiquidityRequirementAxis = tbi_RevolvingCreditFacilityLiquidityRequirementComponentMember |
Revolving Credit Facility, total liquidity |  | 167,000,000 tbi_RevolvingCreditFacilityTotalLiquidity / us-gaap_CreditFacilityAxis = us-gaap_RevolvingCreditFacilityMember / us-gaap_LineOfCreditFacilityAxis = tbi_BankOfAmericaNAAndWellsFargoCapitalFinanceLlcMember / tbi_RevolvingCreditFacilityLiquidityRequirementAxis = tbi_RevolvingCreditFacilityLiquidityRequirementComponentMember |
London Interbank Offered Rate (LIBOR) [Member] | Bank of America, N.A. and Wells Fargo Capital Finance, LLC [Member] | Revolving Credit Facility [Member] |  |  |
Revolving Credit Facility [Line Items] |  |  |
Revolving Credit Facility, additional base rate | 1.00%tbi_RevolvingCreditFacilityAdditionalBaseRate / us-gaap_CreditFacilityAxis = us-gaap_RevolvingCreditFacilityMember / us-gaap_LineOfCreditFacilityAxis = tbi_BankOfAmericaNAAndWellsFargoCapitalFinanceLlcMember / us-gaap_VariableRateAxis = us-gaap_LondonInterbankOfferedRateLIBORMember |  |
Letters of Credit, additional basis rate | 0.125%tbi_LettersOfCreditAdditionalBasisRate / us-gaap_CreditFacilityAxis = us-gaap_RevolvingCreditFacilityMember / us-gaap_LineOfCreditFacilityAxis = tbi_BankOfAmericaNAAndWellsFargoCapitalFinanceLlcMember / us-gaap_VariableRateAxis = us-gaap_LondonInterbankOfferedRateLIBORMember |  |
Base rate [Member] | Bank of America, N.A. and Wells Fargo Capital Finance, LLC [Member] | Revolving Credit Facility [Member] |  |  |
Revolving Credit Facility [Line Items] |  |  |
Revolving Credit Facility, additional base rate | 0.50%tbi_RevolvingCreditFacilityAdditionalBaseRate / us-gaap_CreditFacilityAxis = us-gaap_RevolvingCreditFacilityMember / us-gaap_LineOfCreditFacilityAxis = tbi_BankOfAmericaNAAndWellsFargoCapitalFinanceLlcMember / us-gaap_VariableRateAxis = us-gaap_BaseRateMember |  |
Minimum [Member] | Revolving Credit Facility, Liquidity Requirement Component [Member] | Bank of America, N.A. and Wells Fargo Capital Finance, LLC [Member] | Revolving Credit Facility [Member] |  |  |
Revolving Credit Facility [Line Items] |  |  |
Revolving Credit Facility, liquidity requirement | 37,500,000 tbi_RevolvingCreditFacilityLiquidityRequirement / us-gaap_CreditFacilityAxis = us-gaap_RevolvingCreditFacilityMember / us-gaap_LineOfCreditFacilityAxis = tbi_BankOfAmericaNAAndWellsFargoCapitalFinanceLlcMember / us-gaap_RangeAxis = us-gaap_MinimumMember / tbi_RevolvingCreditFacilityLiquidityRequirementAxis = tbi_RevolvingCreditFacilityLiquidityRequirementComponentMember |  |
Minimum [Member] | London Interbank Offered Rate (LIBOR) [Member] | Bank of America, N.A. and Wells Fargo Capital Finance, LLC [Member] | Revolving Credit Facility [Member] |  |  |
Revolving Credit Facility [Line Items] |  |  |
Debt Instrument, basis spread on variable rate | 1.25%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1 / us-gaap_CreditFacilityAxis = us-gaap_RevolvingCreditFacilityMember / us-gaap_LineOfCreditFacilityAxis = tbi_BankOfAmericaNAAndWellsFargoCapitalFinanceLlcMember / us-gaap_RangeAxis = us-gaap_MinimumMember / us-gaap_VariableRateAxis = us-gaap_LondonInterbankOfferedRateLIBORMember |  |
Minimum [Member] | Base rate [Member] | Bank of America, N.A. and Wells Fargo Capital Finance, LLC [Member] | Revolving Credit Facility [Member] |  |  |
Revolving Credit Facility [Line Items] |  |  |
Debt Instrument, basis spread on variable rate | 0.25%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1 / us-gaap_CreditFacilityAxis = us-gaap_RevolvingCreditFacilityMember / us-gaap_LineOfCreditFacilityAxis = tbi_BankOfAmericaNAAndWellsFargoCapitalFinanceLlcMember / us-gaap_RangeAxis = us-gaap_MinimumMember / us-gaap_VariableRateAxis = us-gaap_BaseRateMember |  |
Maximum | London Interbank Offered Rate (LIBOR) [Member] | Bank of America, N.A. and Wells Fargo Capital Finance, LLC [Member] | Revolving Credit Facility [Member] |  |  |
Revolving Credit Facility [Line Items] |  |  |
Debt Instrument, basis spread on variable rate | 2.00%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1 / us-gaap_CreditFacilityAxis = us-gaap_RevolvingCreditFacilityMember / us-gaap_LineOfCreditFacilityAxis = tbi_BankOfAmericaNAAndWellsFargoCapitalFinanceLlcMember / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_VariableRateAxis = us-gaap_LondonInterbankOfferedRateLIBORMember |  |
Maximum | Base rate [Member] | Bank of America, N.A. and Wells Fargo Capital Finance, LLC [Member] | Revolving Credit Facility [Member] |  |  |
Revolving Credit Facility [Line Items] |  |  |
Debt Instrument, basis spread on variable rate | 1.00%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1 / us-gaap_CreditFacilityAxis = us-gaap_RevolvingCreditFacilityMember / us-gaap_LineOfCreditFacilityAxis = tbi_BankOfAmericaNAAndWellsFargoCapitalFinanceLlcMember / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_VariableRateAxis = us-gaap_BaseRateMember |  |
Less than 25% utilization [Member] | Bank of America, N.A. and Wells Fargo Capital Finance, LLC [Member] | Revolving Credit Facility [Member] |  |  |
Revolving Credit Facility [Line Items] |  |  |
Revolving Credit Facility, unused capacity, commitment fee percentage | 0.375%us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage / us-gaap_CreditFacilityAxis = us-gaap_RevolvingCreditFacilityMember / tbi_CreditFacilityUtilizationAxis = tbi_Lessthan25utilizationMember / us-gaap_LineOfCreditFacilityAxis = tbi_BankOfAmericaNAAndWellsFargoCapitalFinanceLlcMember |  |
Greater than or equal to 25% utilization [Member] | Bank of America, N.A. and Wells Fargo Capital Finance, LLC [Member] | Revolving Credit Facility [Member] |  |  |
Revolving Credit Facility [Line Items] |  |  |
Revolving Credit Facility, unused capacity, commitment fee percentage | 0.25%us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage / us-gaap_CreditFacilityAxis = us-gaap_RevolvingCreditFacilityMember / tbi_CreditFacilityUtilizationAxis = tbi_Greaterthanorequalto25utilizationMember / us-gaap_LineOfCreditFacilityAxis = tbi_BankOfAmericaNAAndWellsFargoCapitalFinanceLlcMember |  |
October 1, 2014 [Member] | London Interbank Offered Rate (LIBOR) [Member] | Bank of America, N.A. and Wells Fargo Capital Finance, LLC [Member] | Revolving Credit Facility [Member] |  |  |
Revolving Credit Facility [Line Items] |  |  |
Revolving Credit Facility, additional base rate |  | 1.75%tbi_RevolvingCreditFacilityAdditionalBaseRate / us-gaap_CreditFacilityAxis = us-gaap_RevolvingCreditFacilityMember / tbi_ExpirationdateAxis = tbi_October12014Member / us-gaap_LineOfCreditFacilityAxis = tbi_BankOfAmericaNAAndWellsFargoCapitalFinanceLlcMember / us-gaap_VariableRateAxis = us-gaap_LondonInterbankOfferedRateLIBORMember |
October 1, 2014 [Member] | Base rate [Member] | Bank of America, N.A. and Wells Fargo Capital Finance, LLC [Member] | Revolving Credit Facility [Member] |  |  |
Revolving Credit Facility [Line Items] |  |  |
Revolving Credit Facility, additional base rate |  | 0.75%tbi_RevolvingCreditFacilityAdditionalBaseRate / us-gaap_CreditFacilityAxis = us-gaap_RevolvingCreditFacilityMember / tbi_ExpirationdateAxis = tbi_October12014Member / us-gaap_LineOfCreditFacilityAxis = tbi_BankOfAmericaNAAndWellsFargoCapitalFinanceLlcMember / us-gaap_VariableRateAxis = us-gaap_BaseRateMember |

X
- Definition The total amount of the contingent obligation under letters of credit outstanding as of the reporting date. + References No definition available. + Details
Name: | tbi_CollateralizedLettersOfCreditOutstandingAmount
Namespace Prefix: | tbi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fronting fee interest rate percentage for issued letters of credit, excluding interest rate spread. + References No definition available. + Details
Name: | tbi_LettersOfCreditAdditionalBasisRate
Namespace Prefix: | tbi_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The Base Rate is the greater of the prime rate (as announced by Bank of America), the federal funds rate plus an additional rate or the 30 day LIBOR rate plus an additional rate. + References No definition available. + Details
Name: | tbi_RevolvingCreditFacilityAdditionalBaseRate
Namespace Prefix: | tbi_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Current liquidation value of the pledged real estate as of the reporting date for the purpose of computing the revolving credit facility borrowing limit. This is the maximum liquidation value of the pledged real estate less the quarterly reduction. This borrowing limit is in addition to the borrowing limit as a percentage of eligible accounts receivable. + References No definition available. + Details
Name: | tbi_RevolvingCreditFacilityBorrowingLimitsLiquidationValueOfPledgedRealEstate
Namespace Prefix: | tbi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Maximum liquidation value of the pledged real estate for purposes of calculating the revolving credit facility borrowing limit. + References No definition available. + Details
Name: | tbi_RevolvingCreditFacilityBorrowingLimitsLiquidationValueRequirementPledgedRealEstate
Namespace Prefix: | tbi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Revolving credit facility borrowing limit as a percentage of eligible accounts receivable. This borrowing limit is in addition to the current liquidation value of the pledged real estate as of the reporting date for the purpose of computing the revolving credit facility borrowing limit. + References No definition available. + Details
Name: | tbi_RevolvingCreditFacilityBorrowingLimitsPercentOfAccountsReceivable
Namespace Prefix: | tbi_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Quarterly reduction of the maximum liquidation value of the pledged real estate for the purposes of computing the revolving credit facility borrowing limit. + References No definition available. + Details
Name: | tbi_RevolvingCreditFacilityBorrowingLimitsQuarterlyReductionLiquidationValueOfPledgedRealEstate
Namespace Prefix: | tbi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Cash and cash equivalents under control agreements as of the reporting date used to calculate liquidity for the purposes of meeting the excess liquidity terms under the revolving credit facility. + References No definition available. + Details
Name: | tbi_RevolvingCreditFacilityCashandCashEquivalentsUnderControlAgreements
Namespace Prefix: | tbi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The minimum liquidity required to be maintained in order to meet the terms of the revolving credit facility. + References No definition available. + Details
Name: | tbi_RevolvingCreditFacilityLiquidityRequirement
Namespace Prefix: | tbi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Total liquidity as of the reporting date consisting of the unused portion of the revolving credit facility and cash and cash equivalents under control agreements for the purposes of meeting the excess liquidity terms under the revolving credit facility. + References No definition available. + Details
Name: | tbi_RevolvingCreditFacilityTotalLiquidity
Namespace Prefix: | tbi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Revolving credit facility, utilization rate + References No definition available. + Details
Name: | tbi_Revolvingcreditfacilityutilizationrate
Namespace Prefix: | tbi_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
Name: | us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The effective interest rate at the end of the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
Name: | us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Description of the interest rate for the amounts borrowed under the credit facility, including the terms and the method for determining the interest rate (for example, fixed or variable, LIBOR plus a percentage, increasing rate, timing of interest rate resets, remarketing provisions). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
Name: | us-gaap_LineOfCreditFacilityInterestRateDescription
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_LineOfCreditFacilityLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
Name: | us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
Name: | us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility. + References No definition available. + Details
Name: | us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 16 -Article 7 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.16) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 16 -Article 9 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 20, 22 -Article 5 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.16) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
Name: | us-gaap_LongTermDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | tbi_BorrowingLimitDeterminationAxis=tbi_LiquidationValueOfTacomaHeadquartersOfficeBuildingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | tbi_BorrowingLimitDeterminationAxis=tbi_PercentOfEligibleAccountsReceivableMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | tbi_BorrowingLimitDeterminationAxis=tbi_PercentofEligibleBilledAccountsReceivableMemberMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | tbi_BorrowingLimitDeterminationAxis=tbi_PercentofEligibleUnbilledAccountsReceivableMemberMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | tbi_CreditFacilityUtilizationAxis=tbi_Greaterthanorequalto25utilizationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | tbi_CreditFacilityUtilizationAxis=tbi_Lessthan25utilizationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | tbi_ExpirationdateAxis=tbi_October12014Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | tbi_RevolvingCreditFacilityLiquidityRequirementAxis=tbi_RevolvingCreditFacilityLiquidityRequirementComponentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LineOfCreditFacilityAxis=tbi_BankOfAmericaNAAndWellsFargoCapitalFinanceLlcMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VariableRateAxis=us-gaap_BaseRateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VariableRateAxis=us-gaap_LondonInterbankOfferedRateLIBORMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |