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Quarterly report pursuant to Section 13 or 15(d)

DEBT AND CREDIT FACILITIES (Narrative) (Details)

v3.8.0.1
DEBT AND CREDIT FACILITIES (Narrative) (Details) - USD ($)
3 Months Ended
Sep. 30, 2017
Mar. 31, 2017
Mar. 31, 2018
Dec. 31, 2017
$1,075 Million 5.75% 2025 Senior Notes [Member] Ìý Ìý Ìý Ìý
Line of Credit Facility [Line Items] Ìý Ìý Ìý Ìý
Proceeds from Issuance of Debt $ 575,000,000 $ 500,000,000 Ìý Ìý
Debt Instrument, Interest Rate, Stated Percentage Ìý Ìý 5.75% Ìý
Debt issuance, discount rate Ìý Ìý 97.00% Ìý
Debt Instrument, Par Value Ìý Ìý $ 1,075,000,000 $ 1,075,000,000
Revolving Credit Facility [Member] Ìý Ìý Ìý Ìý
Line of Credit Facility [Line Items] Ìý Ìý Ìý Ìý
Debt Instrument, Par Value Ìý Ìý 450,000,000 550,000,000
U.S. Tranche Ìý Ìý 400,000,000 Ìý
Sublimit for Issuers of Letters of Credit for U.S. Tranche Ìý Ìý 248,800,000 Ìý
Sublimit for U.S. Swingline Loans Ìý Ìý 100,000,000 Ìý
Australian Tranche Ìý Ìý 50,000,000 Ìý
Sublimit for Issuance of Letters of Credit for Australian Tranche Ìý Ìý 24,400,000 Ìý
Sublimit for Australian Swingline Loans Ìý Ìý 20,000,000 Ìý
Credit facility, amount outstanding Ìý Ìý 0 0
Line of Credit Facility, Maximum Borrowing Capacity Ìý Ìý 314,100,000 273,200,000
Letters of credit outstanding Ìý Ìý 46,600,000 46,500,000
Credit facility remaining capacity Ìý Ìý $ 267,500,000 $ 226,700,000