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Accumulated Other Comprehensive Loss ("AOCL") (Tables)

6 Months Ended

Jun. 30, 2025

Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]

Schedule of accumulated balances for each component of AOCI

Components of AOCL:						June 30, 2025						December 31, 2024
Defined benefit plan liabilities						$	(103.7)					$	(107.0)
Unrealized gain on financial instruments						1.3						1.4
Other comprehensive loss before income tax effect						(102.4)						(105.6)
Income tax effect(1)						2.3						2.3
Accumulated other comprehensive loss						$	(100.1)					$	(103.3)

(1)The allocation of the income tax effect to the components of other comprehensive loss is as follows:

						June 30, 2025						December 31, 2024
Defined benefit plan liabilities						$	2.6					$	2.6
Unrealized gain on financial instruments						(0.3)						(0.3)

The following table summarizes the changes in the accumulated balances for each component of AOCL:

			Defined benefit plan and other postretirement liabilities						Unrealized gain on financial instruments						Total, net of tax
Balance, March 31, 2025			$	(102.9)					$	1.3					$	(101.6)
Other comprehensive loss before reclassifications			—						—						—
Net amount reclassified to net income (loss)			1.6						(0.1)						1.5
Balance, June 30, 2025			$	(101.3)					$	1.2					$	(100.1)
Balance, March 31, 2024			$	(101.0)					$	1.4					$	(99.6)
Net amount reclassified to net income (loss)			1.5						—						1.5
Balance, June 30, 2024			$	(99.5)					$	1.4					$	(98.1)
Balance, December 31, 2024			$	(104.6)					$	1.3					$	(103.3)
Other comprehensive loss before reclassifications			—						—						—
Net amount reclassified to net income (loss)			3.3						(0.1)						3.2
Balance, June 30, 2025			$	(101.3)					$	1.2					$	(100.1)
Balance, December 31, 2023			$	(99.4)					$	1.5					$	(97.9)
Other comprehensive loss before reclassifications			$	(3.4)					—						$	(3.4)
Net amount reclassified to net income (loss)			3.3						(0.1)						3.2
Balance, June 30, 2024			$	(99.5)					$	1.4					$	(98.1)

Schedule of reclassification out of AOCI

Reclassifications out of AOCL were included in the Consolidated Statements of Operations as follows:

												Three months ended June 30,												Six months ended June 30,
AOCL Components						Location						2025						2024						2025						2024
Defined benefit plan and other postretirement liabilities						Cost of goods sold						$	1.5					$	0.7					$	2.3					$	1.6
						Selling, general and administrative expenses						0.1						0.1						0.3						0.3
						Other operating expense - net						—						0.7						0.7						1.4
						Income tax effect						—						—						—						—
						Net of tax						$	1.6					$	1.5					$	3.3					$	3.3
Unrealized gain on financial instruments						Cost of goods sold						$	(0.1)					$	—					$	(0.1)					$	(0.1)
						Income tax effect						—						—						—						—
						Net of tax						$	(0.1)					$	—					$	(0.1)					$	(0.1)

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Tabular disclosure of information about items reclassified out of accumulated other comprehensive income (loss).

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Tabular disclosure of the components of accumulated other comprehensive income (loss).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 14A
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482790/220-10-45-14A

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 830
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481674/830-30-50-1

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 830
-SubTopic 30
-Name Accounting Standards Codification
-Section 45
-Paragraph 20
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481694/830-30-45-20

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