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Restructuring Charges (Tables)
12 Months Ended
Dec. 31, 2022
Restructuring and Related Activities [Abstract]  
Summary of Restructuring Charges
The following table presents a summary of the restructuring charges included in Operating (loss) income from continuing operations for the year ended December 31, 2020.
(Thousands of dollars)Year Ended December 31, 2020
Severance$25,088 
Contract exit costs and other13,993 
Pension and termination benefit charges10,913 
Restructuring charges$49,994