DEBT AND CREDIT FACILITIES (Narrative) (Details)
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6 Months Ended | 12 Months Ended | 6 Months Ended | 6 Months Ended | ||||||||||||
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Jun. 30, 2013
USD ($)
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Dec. 31, 2012
USD ($)
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Jun. 30, 2013
Term Loan [Member]
USD ($)
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Dec. 31, 2012
Unsecured Credit Facility [Member]
Quarter
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Jun. 30, 2013
Revolving Loan [Member]
USD ($)
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Dec. 31, 2012
Revolving Loan [Member]
USD ($)
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Jun. 30, 2013
Revolving Loan [Member]
Maximum [Member]
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Dec. 28, 2012
$270 Million Senior Notes [Member]
USD ($)
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Jun. 30, 2013
Bank Contingent Instrument Facility and Cash Advance Facility [Member]
USD ($)
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Jun. 30, 2013
Bank Contingent Instrument Facility and Cash Advance Facility [Member]
AUD
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Dec. 31, 2012
Bank Contingent Instrument Facility and Cash Advance Facility [Member]
USD ($)
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Dec. 31, 2012
Bank Contingent Instrument Facility and Cash Advance Facility [Member]
AUD
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Line of Credit Facility [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | ||||
Revolving credit facility, borrowing capacity | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | $ 36,600,000 | 40,000,000 | $ 41,600,000 | Ìý | ||||
Financial covenant, debt to earnings ratio | Ìý | Ìý | Ìý | 3.5 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | ||||
Debt instrument, face amount | 4,650,000,000 | 5,497,100,000 | Ìý | Ìý | 1,750,000,000.00 | 1,750,000,000.00 | Ìý | 270,000,000 | Ìý | Ìý | Ìý | Ìý | ||||
Number of preceding quarters to calculate financial covenant | Ìý | Ìý | Ìý | 4 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | ||||
Financial covenant, interest coverage ratio | Ìý | Ìý | Ìý | 2.50 | 2.5 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | ||||
Extinguishment of Debt, Amount | Ìý | Ìý | 847,100,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | ||||
Deferred Finance Costs, Net | Ìý | Ìý | 7,100,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | ||||
Credit facility, amount outstanding | Ìý | Ìý | Ìý | Ìý | 440,000,000 | [1] | 325,000,000 | [1] | Ìý | Ìý | 20,800,000 | 22,700,000 | 26,000,000 | 25,000,000 | ||
Credit facility remaining capacity | Ìý | Ìý | Ìý | Ìý | 1,300,000,000 | 1,400,000,000 | Ìý | Ìý | 15,800,000 | 17,300,000 | 15,600,000 | 15,000,000 | ||||
Letters of credit outstanding | 92,600,000 | 96,900,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | ||||
Debt Instrument, Minimum Tangible Net Worth Required Under Agreement, as of the End of Each Fiscal Quarter in the Next Fiscal Year | Ìý | Ìý | Ìý | Ìý | $ 4,600,000,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | ||||
Debt Instrument, Maximum Total Funded Debt to Capitalization Required Until the End of the Next Fiscal Year End | Ìý | Ìý | Ìý | Ìý | 52.50% | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | ||||
Potential Increase in Borrowing Costs on Outstanding Borrowings | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 0.50% | Ìý | Ìý | Ìý | Ìý | Ìý | ||||
Potential Increase in Borrowing Costs on Unused Borrowing Capacity | Ìý | Ìý | Ìý | Ìý | 0.10% | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | ||||
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