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ACQUISITIONS AND REVALUATIONS OF NON-CONTROLLING INTERESTS - Additional Information (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2014 Partnership	Sep. 16, 2013	Jun. 01, 2013	Feb. 01, 2013
Business Acquisition [Line Items]
Number of separate transactions to purchase partnership interest	4
Number of partnership in which interest acquired	2
Purchase price for additional non controlling interest	$ 4.9
Book value of purchase price	3.0
Remaining purchase price	1.9
Future tax benefits	$ 0.8
Percentage of interest acquired (in hundredths)		100.00%	100.00%	100.00%
Minimum [Member]
Business Acquisition [Line Items]
Percentage of interest acquired (in hundredths)	10.00%
Maximum [Member]
Business Acquisition [Line Items]
Percentage of interest acquired (in hundredths)	35.00%

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- Definition

Percentage of voting equity interests acquired at the acquisition date in the business combination.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=25497992&loc=d3e1392-128463

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- Definition

Represents the purchase by the parent of an additional equity interest in a subsidiary during the period, thereby effecting a change in total (consolidated) equity attributable to the parent. The purchase of the additional equity interest represented by this element increases the parent's controlling interest in the subsidiary.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 810

-SubTopic 10

-Section 50

-Paragraph 1A

-Subparagraph (d)

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section S99

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-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770



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-Name Accounting Standards Codification

-Topic 810

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-Section 55

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- Definition

Amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Unrecognized Tax Benefit

-URI http://asc.fasb.org/extlink&oid=6527854



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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

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-Section 50

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Business Acquisition Cost of Acquired Entity Charge From Additional Paid Up Capital

+ References

No definition available.

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- Definition

This element represents the business acquisition purchase price allocation net book value.

+ References

No definition available.

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Number of partnership in which interest acquired during the period.

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Number of separate transactions to purchase partnership interest during the period.

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