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Retirement and Postretirement Plans - Narrative (Details) - USD ($)		1 Months Ended		3 Months Ended					9 Months Ended
	Oct. 03, 2025	Oct. 31, 2025	Oct. 29, 2021	Sep. 30, 2025	Mar. 31, 2025	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Sep. 30, 2025	Sep. 30, 2024
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Loss (gain) from remeasurement of benefit plans				$ 0		$ 0	$ 1,000,000		$ 0	$ 1,800,000
Investment losses on plan assets							1,800,000
Offset amount in the decrease of liability							700,000
Gain on plan asset annuitization							$ 100,000
Subsequent Event
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined benefit plan term of contract	4 years
Salaried Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Benefit plan terminated effective date									Mar. 31, 2022
Defined benefit plan of recognized loss					$ 3,600,000
Loss (gain) from remeasurement of benefit plans								$ 800,000
Bargaining Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined benefit plan term of contract			4 years
Company contributions to plans		$ 62,000,000		$ 0
Bargaining Plan | Subsequent Event
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Additional contributions expected to be made during remainder of fiscal year		$ 3,500,000
Pension | United States of America | Salaried Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined benefit plan annuitization settlement									$ 121,000,000

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