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MARKETABLE SECURITIES - Marketable Securities, Other Disclosure Items Narrative (Details) (Variable-rate demand notes, USD $) In Millions, unless otherwise specified	Jun. 28, 2013
Variable-rate demand notes
Schedule of Available-for-sale Securities [Line Items]
Investments in Marketable Securities Misclassified as Cash and Cash Equivalents	$ 19.9

X

- Definition

Investments in highly liquid marketable securities misclassified as cash and cash equivalents

+ References

No definition available.

+ Details

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

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- Details

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