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SUBSEQUENT EVENTS (Details) (Subsequent events, Shelf Registration Statement to sell various securities, USD $) In Millions, unless otherwise specified	Jul. 25, 2012
Subsequent events | Shelf Registration Statement to sell various securities
Subsequent Events [Line Items]
Shelf Registration Statement	$ 100

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- Definition

Shelf Registration Statement to sell various securities in amounts and prices determined at the time of sale to enable quick and efficient access to capital if needed.

+ References

No definition available.

+ Details

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

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- Details

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