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LONG-TERM DEBT - Narrative (Details) - USD ($) $ in Thousands | Jun. 19, 2018 | Jun. 30, 2018
--- | --- | ---
Debt Instrument [Line Items] |  |
Debt maturity, remainder of 2018 |  | $ 820
Debt maturity, 2019 |  | 824
Debt maturity, 2020 |  | 829
Debt maturity, 2021 |  | 499
Debt maturity, 2022 |  | $ 0
Senior Unsecured Notes | Senior Unsecured Notes 5.00% Due 2044 |  |
Debt Instrument [Line Items] |  |
Issuance of senior unsecured notes | $ 200,000 |
Stated rate |  | 5.00%
Senior Unsecured Notes | Senior Unsecured Notes 5.25% Due 2054 |  |
Debt Instrument [Line Items] |  |
Issuance of senior unsecured notes | $ 55,000 |
Stated rate |  | 5.25%
Senior Unsecured Notes | Senior Unsecured Notes 6.625% Due 2020 |  |
Debt Instrument [Line Items] |  |
Stated rate |  | 6.625%

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- Definition Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-04.(a)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24072-122690 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 + Details
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- Definition Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-04.(a)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24072-122690 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 + Details
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