Pension and Other Postretirement Benefits - Narrative (Details) - USD ($)	3 Months Ended	12 Months Ended
	Sep. 30, 2023	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Jan. 01, 2022
Defined Benefit Plan Disclosure [Line Items]
Pension and other postretirement benefits		$ (2,079,000)	$ (7,964,000)	$ (6,330,000)
Total contribution amount		6,100,000	7,200,000	4,800,000
Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Accumulated benefit obligation		217,500,000	204,500,000
Defined benefit plan, plan assets, liquidated assets	$ 50,000,000
Minimum expected cash contributions in next fiscal year		5,700,000
Pension and other postretirement benefits		2,535,000	(1,118,000)	572,000
Pension Benefits | Cleveland Bakers and Teamsters Pension Fund
Defined Benefit Plan Disclosure [Line Items]
Multiemployer plan liabilities		0			$ 576,000,000
Multiemployer plan pension assets			340,000,000
Multiemployer plan contributions		100,000
Pension Benefits | U.S.
Defined Benefit Plan Disclosure [Line Items]
Accumulated benefit obligation		79,100,000	79,100,000
Minimum expected cash contributions in next fiscal year		3,300,000
Pension and other postretirement benefits		1,121,000	(987,000)	932,000
Pension Benefits | Foreign
Defined Benefit Plan Disclosure [Line Items]
Accumulated benefit obligation		138,400,000	125,400,000
Minimum expected cash contributions in next fiscal year		2,400,000
Pension and other postretirement benefits		$ 1,414,000	$ (131,000)	(360,000)
Commingled funds measured at NAV | Defined Benefit Plan, Equity Securities
Defined Benefit Plan Disclosure [Line Items]
Investments percentage		35.00%	34.00%
Commingled funds measured at NAV | Fixed Income Securities
Defined Benefit Plan Disclosure [Line Items]
Investments percentage		50.00%	50.00%
Commingled funds measured at NAV | Other Debt Obligations
Defined Benefit Plan Disclosure [Line Items]
Investments percentage		14.00%	16.00%
Pooled separate accounts | Defined Benefit Plan, Equity Securities
Defined Benefit Plan Disclosure [Line Items]
Investments percentage		25.00%
Pooled separate accounts | Fixed Income Securities
Defined Benefit Plan Disclosure [Line Items]
Investments percentage		75.00%
Other Postretirement Benefits
Defined Benefit Plan Disclosure [Line Items]
Minimum expected cash contributions in next fiscal year		$ 200,000
Other Postretirement Benefits | U.S.
Defined Benefit Plan Disclosure [Line Items]
Pension and other postretirement benefits		(75,000)	$ (74,000)	(85,000)
Supplemental Retirement Benefits Plan | U.S.
Defined Benefit Plan Disclosure [Line Items]
Pension and other postretirement benefits		$ 600,000	$ 700,000	$ 3,000,000