v3.20.1
DERIVATIVES AND FAIR VALUE MEASUREMENTS (Tables)
3 Months Ended
Mar. 31, 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 March 31,
 
2020
 
2019
 
(Thousands of Dollars)
Loss recognized in other comprehensive income (loss) on derivative
$
(29,830
)
 
$
(6,808
)
Loss reclassified from AOCI into interest expense, net
$
(647
)
 
$
(1,078
)

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:
 
March 31, 2020
 
December 31, 2019
 
(Thousands of Dollars)
Fair value
$
2,688,613

 
$
3,442,001

Carrying amount
$
3,319,248

 
$
3,331,839