Accumulated Other Comprehensive Loss (Tables)

9 Months Ended

Sep. 30, 2020

Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]

Components of Accumulated Other Comprehensive Loss

The components of Accumulated other comprehensive loss on the Consolidated Balance Sheets at December 31, 2019 and September 30, 2020 and the changes during the nine-month period ended September 30, 2020, are presented net of taxes in the following table.

(Thousands of dollars)	Foreign Currency Translation Gains (Losses)		Retirement and Postretirement Benefit Plan Adjustments		Deferred Loss on Interest Rate Derivative Hedges		Total
Balance at December 31, 2019	$	(353,252)	(218,015)		(2,894)		(574,161)
Components of other comprehensive income (loss):
Before reclassifications to income and retained earnings	(39,520)		(55,707)		—		(95,227)
Reclassifications to income	—		10,488	¹	905	²	11,393
Net other comprehensive income (loss)	(39,520)		(45,219)		905		(83,834)
Balance at September 30, 2020	$	(392,772)	(263,234)		(1,989)		(657,995)

1 Reclassifications before taxes of $13,720 are included in the computation of net periodic benefit expense for the nine-month period ended September 30, 2020.  See Note H for additional information.  Related income taxes of $3,232 are included in Income tax expense (benefit) for the nine-month period ended September 30, 2020.

2 Reclassifications before taxes of $1,147 are included in Interest expense, net, for the nine-month period ended September 30, 2020.  Related income taxes of $242 are included in Income tax expense (benefit) for the nine-month period ended September 30, 2020.  See Note L for additional information.