Quarterly report pursuant to Section 13 or 15(d)

DEBT AND CREDIT FACILITIES DEBT AND CREDIT FACILITIES (Debt Instrument Redemption) (Details)

v3.19.2
DEBT AND CREDIT FACILITIES DEBT AND CREDIT FACILITIES (Debt Instrument Redemption) (Details) - $750 Million 5.875% 2027 Senior Notes [Member]
6 Months Ended
Jun. 30, 2019
Debt Instrument, Redemption, Period One, Upon Equity Issuance [Member]  
Debt Instrument, Redemption [Line Items]  
Debt Instrument, Redemption Price, Percentage 105.875%
Debt Instrument, Redemption, Period One, Including Premium [Member]  
Debt Instrument, Redemption [Line Items]  
Debt Instrument, Redemption Price, Percentage 100.00%
Debt Instrument, Redemption, Period Two [Member]  
Debt Instrument, Redemption [Line Items]  
Debt Instrument, Redemption Price, Percentage 102.938%
Debt Instrument, Redemption, Period Three [Member]  
Debt Instrument, Redemption [Line Items]  
Debt Instrument, Redemption Price, Percentage 101.958%
Debt Instrument, Redemption, Period Four [Member]  
Debt Instrument, Redemption [Line Items]  
Debt Instrument, Redemption Price, Percentage 100.979%
Debt Instrument, Redemption, Period Five [Member]  
Debt Instrument, Redemption [Line Items]  
Debt Instrument, Redemption Price, Percentage 100.00%