SUBSEQUENT EVENTS (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	1 Months Ended	3 Months Ended
Feb. 04, 2015	Dec. 31, 2014
Subsequent Event [Line Items]
Stock Repurchase Program, Remaining Authorized Repurchase Amount	$ 47.4
Common Class A [Member]
Subsequent Event [Line Items]
Treasury Stock, Shares, Acquired	5.3	7.6
Treasury Stock, Value, Acquired, Cost Method	$ 103.4	$ 149.2
Minimum [Member]
Subsequent Event [Line Items]
Treasury Stock Acquired, Average Cost Per Share	$ 18.65	$ 18.30
Maximum [Member]
Subsequent Event [Line Items]
Treasury Stock Acquired, Average Cost Per Share	$ 20.89	$ 20.90

Amount remaining of a stock repurchase plan authorized by an entity's Board of Directors.

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- Definition

Total cost of shares repurchased divided by the total number of shares repurchased.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 30

-Section 45

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655

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- Definition

Number of shares that have been repurchased during the period and are being held in treasury.

+ References

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- Definition

Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.3-04)

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

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-Topic 505

-SubTopic 30

-Section 45

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655

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