v3.20.2
DERIVATIVES AND FAIR VALUE MEASUREMENTS (Tables)
6 Months Ended
Jun. 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 June 30,Six Months Ended June 30,
2020201920202019
(Thousands of Dollars)
Loss recognized in other comprehensive income (loss) on derivative
$(461) $(9,784) $(30,291) $(16,592) 
Loss reclassified from AOCI into interest expense, net
$(878) $(1,005) $(1,525) $(2,083) 
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:
June 30, 2020December 31, 2019
 (Thousands of Dollars)
Fair value$3,372,527  $3,442,001  
Carrying amount$3,374,056  $3,331,839