v3.19.3.a.u2

DERIVATIVES AND FAIR VALUE MEASUREMENTS (Tables) | 12 Months Ended
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Dec. 31, 2019
Derivative Instruments and Hedging Activities Disclosure [Abstract] |
Fair Value of Unwound Interest Rate Swap Agreements [Table Text Block] | The remaining fair value amounts associated with unwound interest rate swap agreements are presented in the table below. These amounts are amortized ratably over the remaining life of the related debt instrument into “Interest expense, net” on the consolidated statements of (loss) income.
|  |  |  | December 31,
Unwound Interest Rate Swap Agreements |  | Balance Sheet Location |  | 2019 |  | 2018
|  |  |  | (Thousands of Dollars)
Fixed-to-floating |  | Current portion of long-term debt |  | $ | 2,755 |  |  | $ | — |
Fixed-to-floating |  | Long-term debt, less current portion |  | $ | 2,568 |  |  | $ | 10,475 |
Forward-starting |  | Accumulated other comprehensive income (loss) |  | $ | 3,045 |  |  | $ | (770 | )
Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block] | The fair values of our interest rate swap agreements included in our consolidated balance sheets were as follows:
Balance Sheet Location |  | December 31,
| 2019 |  | 2018
|  | (Thousands of Dollars)
Other long-term assets, net |  | $ | — |  |  | $ | 627 |
Accrued liabilities |  | $ | (19,169 | ) |  | $ | — |
Other long-term liabilities |  | $ | — |  |  | $ | (751 | )
Derivative Instruments, Gain (Loss) [Table Text Block] | Our forward-starting interest rate swaps had the following impact on earnings:
|  | Year Ended December 31,
|  | 2019 |  | 2018 |  | 2017
|  | (Thousands of Dollars)
(Loss) gain recognized in other comprehensive income (loss) on derivative |  | $ | (19,045 | ) |  | $ | 17,912 |  |  | $ | (8,670 | )
Loss reclassified from AOCI into interest expense, net |  | $ | (3,814 | ) |  | $ | (5,499 | ) |  | $ | (6,624 | )
Fair Value and Carrying Value of Debt [Table Text Block] | The estimated fair values and carrying amounts of the long-term debt, including the current portion and excluding finance leases, were as follows:
| December 31, 2019 |  | December 31, 2018
| (Thousands of Dollars)
Fair value | $ | 3,442,001 |  |  | $ | 3,056,704 |
Carrying amount | $ | 3,331,839 |  |  | $ | 3,111,996 |

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- Definition Tabular disclosure of information pertaining to carrying amount and estimated fair value of short-term and long-term debt instruments or arrangements, including but not limited to, identification of terms, features, and collateral requirements. + References No definition available. + Details
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- Definition Tabular disclosure of the location and amount of derivative instruments and nonderivative instruments designated as hedging instruments reported before netting adjustments, and the amount of gain (loss) on derivative instruments and nonderivative instruments designated and qualified as hedging instruments. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4E -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624181-113959 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5618551-113959 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624171-113959 + Details
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