Stockholders' Equity (Tables)

6 Months Ended

Jun. 30, 2026

Components of Changes in Accumulated Other Comprehensive Income (AOCI)

Changes in accumulated other comprehensive income (loss) (AOCI) by component were as follows (dollars in millions). Amounts in parentheses indicate losses:


	Unrealized Loss On Foreign Exchange Contracts			Unrealized Gain (Loss) on Marketable Debt Securities			Unfunded Employee Benefit Obligations			Total
Balance at January 1, 2026	$	(0.1	)	$	0.3		$	(41.8	)	$	(41.6	)
Other comprehensive loss before reclassifications, net of tax		—			(0.5	)		—			(0.5	)
Amounts reclassified from AOCI, net of tax		—			—			1.9			1.9
Balance at June 30, 2026	$	(0.1	)	$	(0.2	)	$	(39.9	)	$	(40.2	)

Reclassifications Out of Accumulated Other Comprehensive Income (AOCI)

Reclassifications out of AOCI were as follows (dollars in millions). Amounts in parentheses indicate expenses in the Consolidated Statements of Income:


	Amounts Reclassified from AOCI
	Three Months Ended June 30,						Six Months Ended June 30,
Details about AOCI Components	2026			2025			2026			2025
Unfunded employee benefit obligations (a)
Amortization of prior service costs	$	(1.2	)	$	(1.3	)	$	(2.5	)	$	(2.7	)	See (a) below
Amortization of actuarial gains / (losses)		—			0.1			—			0.2		See (a) below
		(1.2	)		(1.2	)		(2.5	)		(2.5	)	Total before tax
		0.3			0.3			0.6			0.6		Tax benefit
	$	(0.9	)	$	(0.9	)	$	(1.9	)	$	(1.9	)	Net of tax

(a)

These AOCI components are included in the computation of net pension and postretirement benefit costs. See Note 14, Employee Benefit Plans and Other Postretirement Benefits, for additional information.