FINANCING ARRANGEMENTS (Summary of Redemption Prices) (Details) - Unsecured debt	12 Months Ended
	Dec. 31, 2020
Debt Instrument, Redemption [Line Items]
Redemption percentage of principal amount	100.00%
Unsecured senior notes, at 4.875%, due July 15, 2027 ("2027 Notes")
Debt Instrument, Redemption [Line Items]
Redemption percentage of principal amount	104.875%
Unsecured senior notes, at 5.125%, due July 15, 2029 ("2029 Notes")
Debt Instrument, Redemption [Line Items]
Redemption percentage of principal amount	105.125%
Debt Instrument, Redemption, Period One | Unsecured senior notes, at 4.875%, due July 15, 2027 ("2027 Notes")
Debt Instrument, Redemption [Line Items]
Redemption percentage of principal amount	102.438%
Debt Instrument, Redemption, Period One | Unsecured senior notes, at 5.125%, due July 15, 2029 ("2029 Notes")
Debt Instrument, Redemption [Line Items]
Redemption percentage of principal amount	102.563%
Debt Instrument, Redemption, Period Two | Unsecured senior notes, at 4.875%, due July 15, 2027 ("2027 Notes")
Debt Instrument, Redemption [Line Items]
Redemption percentage of principal amount	101.219%
Debt Instrument, Redemption, Period Two | Unsecured senior notes, at 5.125%, due July 15, 2029 ("2029 Notes")
Debt Instrument, Redemption [Line Items]
Redemption percentage of principal amount	101.281%
Debt Instrument, Redemption, Period Three | Unsecured senior notes, at 4.875%, due July 15, 2027 ("2027 Notes")
Debt Instrument, Redemption [Line Items]
Redemption percentage of principal amount	100.00%
Debt Instrument, Redemption, Period Three | Unsecured senior notes, at 5.125%, due July 15, 2029 ("2029 Notes")
Debt Instrument, Redemption [Line Items]
Redemption percentage of principal amount	100.00%