FAIR VALUE MEASUREMENTS (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
5.375% Senior Unsecured Notes due 2021
FAIR VALUE MEASUREMENTS:
Interest rate (as a percent)	5.375%	5.375%
5.625% Senior Unsecured Notes due 2024
FAIR VALUE MEASUREMENTS:
Interest rate (as a percent)	5.625%	5.625%
6.125% Senior Unsecured Notes due 2022
FAIR VALUE MEASUREMENTS:
Interest rate (as a percent)	6.125%	6.125%
6.375% Senior Unsecured Notes due 2021
FAIR VALUE MEASUREMENTS:
Interest rate (as a percent)	6.375%	6.375%
Level 2 \| Carrying Value \| Revolving credit facility
FAIR VALUE MEASUREMENTS:
Fair Value	$ 0	$ 338,000
Level 2 \| Carrying Value \| 5.375% Senior Unsecured Notes due 2021
FAIR VALUE MEASUREMENTS:
Fair Value	600,000	600,000
Level 2 \| Carrying Value \| 5.625% Senior Unsecured Notes due 2024
FAIR VALUE MEASUREMENTS:
Fair Value	550,000	550,000
Level 2 \| Carrying Value \| 6.125% Senior Unsecured Notes due 2022
FAIR VALUE MEASUREMENTS:
Fair Value	500,000	500,000
Level 2 \| Carrying Value \| 6.375% Senior Unsecured Notes due 2021
FAIR VALUE MEASUREMENTS:
Fair Value	350,000	350,000
Level 2 \| Carrying Value \| Term Loan A
FAIR VALUE MEASUREMENTS:
Fair Value	331,995	348,073
Level 2 \| Carrying Value \| Term Loan B
FAIR VALUE MEASUREMENTS:
Fair Value	1,386,626	1,035,883
Level 2 \| Carrying Value \| Debt of variable interest entities
FAIR VALUE MEASUREMENTS:
Fair Value	28,425	30,167
Level 2 \| Carrying Value \| Debt of other operating divisions
FAIR VALUE MEASUREMENTS:
Fair Value	133,674	118,822
Level 2 \| Fair Value \| Revolving credit facility
FAIR VALUE MEASUREMENTS:
Fair Value	0	338,000
Level 2 \| Fair Value \| 5.375% Senior Unsecured Notes due 2021
FAIR VALUE MEASUREMENTS:
Fair Value	605,490	595,068
Level 2 \| Fair Value \| 5.625% Senior Unsecured Notes due 2024
FAIR VALUE MEASUREMENTS:
Fair Value	544,500	532,813
Level 2 \| Fair Value \| 6.125% Senior Unsecured Notes due 2022
FAIR VALUE MEASUREMENTS:
Fair Value	513,750	503,475
Level 2 \| Fair Value \| 6.375% Senior Unsecured Notes due 2021
FAIR VALUE MEASUREMENTS:
Fair Value	363,909	355,800
Level 2 \| Fair Value \| Term Loan A
FAIR VALUE MEASUREMENTS:
Fair Value	328,884	341,982
Level 2 \| Fair Value \| Term Loan B
FAIR VALUE MEASUREMENTS:
Fair Value	1,381,122	1,029,997
Level 2 \| Fair Value \| Debt of variable interest entities
FAIR VALUE MEASUREMENTS:
Fair Value	28,425	30,167
Level 2 \| Fair Value \| Debt of other operating divisions
FAIR VALUE MEASUREMENTS:
Fair Value	$ 133,674	$ 118,822

Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 10

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=35750535&loc=d3e13433-108611

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 12

-URI http://asc.fasb.org/extlink&oid=35750535&loc=d3e13476-108611

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Contractual interest rate for funds borrowed, under the debt agreement.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22(a)(1))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

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No definition available.

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