Other Income (Expense), Net (Tables)

3 Months Ended

Mar. 31, 2023

Other Income and Expenses [Abstract]

Other Income (Expense), Net

The following table presents the components of Other income (expense), net (in millions of dollars):

	Quarter Ended March 31,
	2023			2022
Interest income	$	0.4		$	—
Net periodic postretirement benefit cost		(2.0	)		(1.4	)
Unrealized gain (loss) on equity securities		0.1			(0.4	)
Gain on disposition of property, plant and equipment		15.0			—
All other, net		0.1			0.2
Other income (expense), net	$	13.6		$	(1.6	)