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- Changes in Carrying Amount of Goodwill (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 26, 2014	Dec. 26, 2014	Dec. 27, 2013
Goodwill [Line Items]
Goodwill before impairment	$ 288,065us-gaap_GoodwillGross		$ 128,449us-gaap_GoodwillGross
Accumulated impairment loss	(46,210)us-gaap_GoodwillImpairedAccumulatedImpairmentLoss		(46,210)us-gaap_GoodwillImpairedAccumulatedImpairmentLoss
Goodwill acquired	159,616us-gaap_GoodwillAcquiredDuringPeriod
Goodwill, net	82,239us-gaap_Goodwill	241,855us-gaap_Goodwill
Staffing Services
Goodwill [Line Items]
Goodwill before impairment	128,449us-gaap_GoodwillGross / us-gaap_StatementBusinessSegmentsAxis = tbi_StaffingServicesMember		128,449us-gaap_GoodwillGross / us-gaap_StatementBusinessSegmentsAxis = tbi_StaffingServicesMember
Accumulated impairment loss	(46,210)us-gaap_GoodwillImpairedAccumulatedImpairmentLoss / us-gaap_StatementBusinessSegmentsAxis = tbi_StaffingServicesMember		(46,210)us-gaap_GoodwillImpairedAccumulatedImpairmentLoss / us-gaap_StatementBusinessSegmentsAxis = tbi_StaffingServicesMember
Goodwill acquired	0us-gaap_GoodwillAcquiredDuringPeriod / us-gaap_StatementBusinessSegmentsAxis = tbi_StaffingServicesMember
Goodwill, net	82,239us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = tbi_StaffingServicesMember	82,239us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = tbi_StaffingServicesMember
Unallocated Goodwill [Member]
Goodwill [Line Items]
Goodwill before impairment	159,616us-gaap_GoodwillGross / us-gaap_StatementBusinessSegmentsAxis = us-gaap_MaterialReconcilingItemsMember		0us-gaap_GoodwillGross / us-gaap_StatementBusinessSegmentsAxis = us-gaap_MaterialReconcilingItemsMember
Accumulated impairment loss	0us-gaap_GoodwillImpairedAccumulatedImpairmentLoss / us-gaap_StatementBusinessSegmentsAxis = us-gaap_MaterialReconcilingItemsMember		0us-gaap_GoodwillImpairedAccumulatedImpairmentLoss / us-gaap_StatementBusinessSegmentsAxis = us-gaap_MaterialReconcilingItemsMember
Goodwill acquired	159,616us-gaap_GoodwillAcquiredDuringPeriod / us-gaap_StatementBusinessSegmentsAxis = us-gaap_MaterialReconcilingItemsMember
Goodwill, net	$ 0us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = us-gaap_MaterialReconcilingItemsMember	$ 159,616us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = us-gaap_MaterialReconcilingItemsMember

X

- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13816-109267



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 45

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13816-109267

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Amount before accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (a,h)

-URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13816-109267

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Amount of accumulated impairment loss for an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (a,h)

-URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13816-109267

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- Details

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X

- Details

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Namespace Prefix:
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X

- Details

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