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v3.19.3.a.u2

LONG-TERM DEBT (Details) - USD ($) |  | 12 Months Ended
--- | --- | ---
Oct. 19, 2017 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Debt Instrument [Line Items] |  |  |  |
Long-term debt |  | $ 0 | $ 0 |
Interest expense, debt |  | 3,000,000 | 3,000,000 | $ 9,000,000
Amortization of debt issuance costs |  | 900,000 | 1,000,000 | $ 2,000,000
Debt issuance costs, net |  | 2,000,000 | 3,000,000 |
Letter of Credit |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Long-term debt |  | $ 200,000 | $ 200,000 |
Letter of Credit | 2017 Credit Agreement |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Revolving credit sub-facility for swing-line loans and issuances of letters of credit | $ 20,000,000 |  |  |
Interest rate increase (in case of default) | 2.00% |  |  |
Revolving Credit Facility | 2017 Credit Agreement |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Revolving credit sub-facility for swing-line loans and issuances of letters of credit | $ 750,000,000 |  |  |
Term of facility | 5 years |  |  |
Line of credit, covenant compliance, Secured Leverage Ratio | 3.50 |  |  |
Line of credit, covenant compliance, Total Leverage Ratio | 4.50 |  |  |
Federal Funds Rate | Letter of Credit | 2017 Credit Agreement |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Basis spread on variable rate |  | 0.50% |  |
London Interbank Offered Rate (LIBOR) | Letter of Credit | 2017 Credit Agreement |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Basis spread on variable rate | 1.00% |  |  |
London Interbank Offered Rate (LIBOR) | Initial Basis Spread | Letter of Credit | 2017 Credit Agreement |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Basis spread on variable rate | 1.25% |  |  |
London Interbank Offered Rate (LIBOR) | Initial Basis Spread One Month LIBOR | Letter of Credit | 2017 Credit Agreement |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Basis spread on variable rate | 0.25% |  |  |

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- Definition Amount of amortization expense attributable to debt issuance costs. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(8)) -URI http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28555-108399 + Details
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