Fair Value of Financial Instruments (Tables)

12 Months Ended

Dec. 31, 2025

Fair Value of Financial Instruments [Abstract]

Fair Value of Financial Assets and Liabilities on a Recurring Basis

The following table sets forth by level within the fair value hierarchy the Company’s financial assets and liabilities accounted for at fair value on a recurring basis at the end of each of the past two years. Assets and liabilities are classified in their entirety based on the lowest level of input that is significant to the fair value measurement. The Company’s assessment of the significance of a particular input to the fair value measurement requires judgment and may affect the valuation of fair value assets and liabilities and their placement within the fair value hierarchy levels.

(in millions of dollars)				Fair Value Measurements Using
		Asset /			Quoted Prices in		Significant			Significant
		(Liability)			Active Markets for		Other Observable			Unobservable
		Balance at			Identical Assets		Inputs			Inputs
Description		December 31, 2025			(Level 1)		(Level 2)			(Level 3)
Deferred compensation plan assets	$	13.9		$	-	$	13.9		$	-
Supplementary pension plan assets		40.1			-		40.1			-
Interest rate swap		(0.2	)		-		(0.2	)		-

			Fair Value Measurements Using
		Asset /		Quoted Prices in		Significant		Significant
		(Liability)		Active Markets for		Other Observable		Unobservable
		Balance at		Identical Assets		Inputs		Inputs
Description		December 31, 2024		(Level 1)		(Level 2)		(Level 3)
Deferred compensation plan assets	$	13.6	$	-	$	13.6	$	-
Supplementary pension plan assets		19.4		-		19.4		-
Interest rate swap		0.3		-		0.3		-