Retirement and Postretirement Plans - Narrative (Details) - USD ($) $ in Millions |
1 Months Ended | 9 Months Ended | 12 Months Ended | |
---|---|---|---|---|
Jan. 01, 2023 |
Oct. 29, 2021 |
Sep. 30, 2023 |
Dec. 31, 2021 |
|
Bargaining Plan | ||||
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ||||
Defined benefit plan term of contract | 4 years | |||
Defined benefit plan contract expiration date | Sep. 27, 2025 | |||
Increased in pension liability | $ 14.2 | |||
Bargaining Plan's obligations | $ 40.0 | |||
Postretirement | ||||
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ||||
Defined Benefit Plan Terminated Effective Date | Mar. 31, 2022 | |||
Expected annuity purchase year | 2024 |