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FINANCING ARRANGEMENTS (Summary of Redemption Prices) (Details) - Unsecured debt | 9 Months Ended | 12 Months Ended
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Sep. 30, 2019 | Dec. 31, 2019
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% |

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- Definition Percentage price of original principal amount of debt at which debt can be redeemed by the issuer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 50 -Paragraph 3 -Subparagraph e -URI http://asc.fasb.org/extlink&oid=75038535&loc=d3e64711-112823 + Details
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