Goodwill and Other Intangible Assets (Narrative) (Details) - USD ($)	3 Months Ended			12 Months Ended
	Dec. 31, 2024	Oct. 03, 2024	Jun. 30, 2024	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Aug. 31, 2023
Finite-Lived Intangible Assets [Line Items]
Goodwill impairment charges			$ 0
Reporting unit, reduction in percentage of fair value in excess of carrying amount		20.00%
Reporting unit, percentage of fair value in excess of carrying amount		25.00%
Impairment of intangible assets, finite-lived	$ 300,000
Amortized intangible assets, gross	86,100,000			$ 86,100,000
Amortized intangible assets, accumulated amortization	$ 53,700,000			53,700,000
Amortization of intangible assets				$ 5,096,000	$ 4,452,000
Impairment Of Intangible Asset Finite Lived Statement Of Income Or Comprehensive Income Extensible Enumeration Not Disclosed Flag				other changes
Heimbach
Finite-Lived Intangible Assets [Line Items]
Amortizable intangible assets							$ 14,900,000
Amortization of intangible assets				$ 1,000,000	300,000
Heimbach | AEC Technology
Finite-Lived Intangible Assets [Line Items]
Acquired finite-lived intangibles							$ 8,900,000
Finite-lived intangible assets, useful life							9 years
Heimbach | AEC Tradema
Finite-Lived Intangible Assets [Line Items]
Acquired indefinite-lived intangible assets							$ 6,000,000
Cost of Sales
Finite-Lived Intangible Assets [Line Items]
Amortization of intangible assets				1,100,000	400,000	$ 800,000
Selling, General and Administrative Expenses
Finite-Lived Intangible Assets [Line Items]
Amortization of intangible assets				$ 4,200,000	$ 4,100,000	$ 4,000,000.0