Name:	tbi_LineOfCreditFacilityExcessLiquidity
Namespace Prefix:	tbi_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant

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.

No definition available.

Name:	tbi_RevolvingCreditFacilityBorrowingLimitsLiquidationValueOfPledgedRealEstate
Namespace Prefix:	tbi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Maximum liquidation value of the pledged real estate for purposes of calculating the revolving credit facility borrowing limit.

No definition available.

Name:	tbi_RevolvingCreditFacilityBorrowingLimitsLiquidationValueRequirementPledgedRealEstate
Namespace Prefix:	tbi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

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.

No definition available.

Name:	tbi_RevolvingCreditFacilityBorrowingLimitsPercentOfAccountsReceivable
Namespace Prefix:	tbi_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Quarterly reduction of the maximum liquidation value of the pledged real estate for the purposes of computing the revolving credit facility borrowing limit.

No definition available.

Name:	tbi_RevolvingCreditFacilityBorrowingLimitsQuarterlyReductionLiquidationValueOfPledgedRealEstate
Namespace Prefix:	tbi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

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.

No definition available.

Name:	tbi_RevolvingCreditFacilityCashAndCashEquivalentsUnderControlAgreements
Namespace Prefix:	tbi_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant

The minimum liquidity required to be maintained in order to meet the terms of the revolving credit facility.

No definition available.

Name:	tbi_RevolvingCreditFacilityLiquidityRequirement
Namespace Prefix:	tbi_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	duration

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.

No definition available.

Name:	tbi_RevolvingCreditFacilityTotalLiquidity
Namespace Prefix:	tbi_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

No definition available.

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Amount borrowed under the credit facility as of the balance sheet date.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

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

- Details

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

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.

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

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

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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

The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

No definition available.