OTHER INCOME AND EXPENSE (Notes)

12 Months Ended

Dec. 31, 2021

Other Income and Expenses [Abstract]

Other Income and Other Expense Disclosure [Text Block]

OTHER INCOME AND OTHER EXPENSE

The following table sets forth the components of other income and other expense for the periods indicated:

	Years Ended December 31,
	2021		2020		2019
	(Thousands of dollars)
Net periodic benefit cost other than service cost	$	(3,930)	$	(5,071)	$	(5,895)
Earnings on investments associated with nonqualified employee benefit plans	3,699		4,616		5,268
Other, net	(2,976)		(2,565)		(2,349)
Total other expense, net	$	(3,207)	$	(3,020)	$	(2,976)