BORROWINGS (5.75% Convertible Senior Notes) (Details) (5.75% Convertible Senior Unsecured Notes [Member], USD $) In Millions, except Share data, unless otherwise specified	9 Months Ended	12 Months Ended
Sep. 30, 2012	Dec. 31, 2008
5.75% Convertible Senior Unsecured Notes [Member]
Debt Instrument [Line Items]
Convertible debt issuance year		2008
Aggregate principal amount convertible notes issued		$ 150.0
Percentage of debt purchase price		100.00%
Convertible debt maturity date		Apr. 01, 2028
Notes interest payment term		Interest on the 5.75% Notes is payable semi-annually in arrears on April 1 and October 1 of each year.
Base conversion price		$ 6.02
Notes Converted	0

Date the original debt was scheduled to mature, in CCYY-MM-DD format.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 50

-Paragraph 3

-URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 95

-Paragraph 32

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 50

-Paragraph 5

-URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4332-108586

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