Valuation and Qualifying Accounts and Reserves (Schedule II)

12 Months Ended

Dec. 31, 2023

SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]

Valuation and Qualifying Accounts and Reserves (Schedule II)

Financial Statement Schedule

Schedule II — Valuation and Qualifying Accounts and Reserves for the years ended December 31, 2023, 2022 and 2021 is set forth below. All other schedules for which provision is made in the applicable SEC accounting regulations are not required under the related instructions or are inapplicable and therefore have been omitted.

Valuation and Qualifying Accounts and Reserves

(Schedule II)

Changes in deferred tax asset valuation allowances were as follows:

(millions of dollars)	2023		2022		2021
Beginning balance	$	97.5	$	97.2	$	104.6
Additions (deductions) (1)	9.1		0.3		(7.4)
Ending balance	$	106.6	$	97.5	$	97.2

(1) Additions (deductions) did not have a material impact on the Income Statement in 2023, 2022 or 2021.