v3.20.2
DERIVATIVES AND FAIR VALUE MEASUREMENTS (Tables)
9 Months Ended
Sep. 30, 2020
Derivative Instruments and Hedging Activities Disclosure [Abstract]  
Schedule of Derivative Instruments, Gain (Loss) in Statement of Financial Performance [Text Block]
Our forward-starting interest rate swaps had the following impact on earnings:
Three Months Ended September 30,Nine Months Ended
September 30,
2020201920202019
(Thousands of Dollars)
Loss recognized in other comprehensive income (loss) on derivative
$— $(10,866)$(30,291)$(27,458)
Loss reclassified from AOCI into interest expense, net
$(1,372)$(906)$(2,897)$(2,989)
Fair Value and Carrying Value of Debt [Table Text Block] The estimated fair values and carrying amounts of long-term debt, including the current portion and excluding finance leases, were as follows:
September 30, 2020December 31, 2019
 (Thousands of Dollars)
Fair value$3,590,525 $3,442,001 
Carrying amount$3,543,307 $3,331,839