ACQUISITIONS (MDT Intangible Assets) (Details) (MDT Personnel, LLC [Member], USD $) In Thousands, unless otherwise specified	0 Months Ended
Feb. 04, 2013
Business Acquisition [Line Items]
Intangible assets	$ 10,200
Customer relationships
Business Acquisition [Line Items]
Intangible assets	7,800
Weighted average life	8 years
Trademarks and Trade Names [Member]
Business Acquisition [Line Items]
Intangible assets	1,000
Weighted average life	1 year 6 months
Non-compete agreements
Business Acquisition [Line Items]
Intangible assets	1,400
Weighted average life	5 years
Intangible assets	$ 10,200

Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 1

-Subparagraph (a)(3)

-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16265-109275

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- Definition

Amount of intangible assets, excluding goodwill, acquired at the acquisition date.

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- Definition

The amount of identifiable intangible assets recognized as of the acquisition date.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=6910749&loc=d3e4845-128472

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

-Publisher FASB

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-Topic 805

-SubTopic 10

-Section 55

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