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DEBT Narrative (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended
Mar. 31, 2014
April 2011 Line of Credit as Amended October 2012 [Member]
 
Debt Instrument [Line Items]  
Repayments on line of credit $ 80
Remaining borrowing capacity 323
Amount to secure letters of credit 2
Senior Exchangeable Notes due 2015 at a fixed interest rate of 4.50% [Member]
 
Debt Instrument [Line Items]  
Maturity date 2015
Exchange period beginning date Mar. 31, 2014
Exchange feature description According to the indenture, in order for the notes to become exchangeable, the Company’s stock price must exceed 130 percent of the exchange price for 20 trading days during a period of 30 consecutive trading days as of the last day of the quarter.
Percent of the exchange price the stock price must exceed 130.00%
Trading day threshold 20 days
Number of trading days for stock price 30 days
Exchange feature end date Jun. 30, 2014
Term Credit Agreement due 2019 [Member]
 
Debt Instrument [Line Items]  
Additional borrowings 1.8
Unused borrowing capacity $ 18.1