v3.25.1
Goodwill and Other Intangible Assets (Schedule of Changes in Intangible Assets and Goodwill) (Details)
$ in Thousands
 3 Months Ended
Mar. 31, 2025
USD ($)
Finite-lived Intangible Assets [Roll Forward]  
Beginning balance $ 32,415
Other Changes 0
Amortization (1,269)
Currency Translation 466
Ending balance 31,612
Goodwill [Roll Forward]  
Beginning balance 176,261
Ending balance 178,837
Indefinite-Lived Intangible Assets Including Goodwill [Roll Forward]  
Beginning Balance 181,973
Other Changes 0
Currency Translation 2,815
Ending Balance 184,788
MC Goodwill  
Goodwill [Roll Forward]  
Beginning balance 63,988
Other Changes 0
Currency Translation 1,885
Ending balance 65,873
AEC Goodwill  
Goodwill [Roll Forward]  
Beginning balance 112,273
Other Changes 0
Currency Translation 691
Ending balance 112,964
Heimbach Trade name  
Indefinite-Lived Intangible Assets [Roll Forward]  
Beginning Balance 5,712
Other Changes 0
Currency Translation 239
Ending Balance 5,951
AEC Trademarks and trade names  
Finite-lived Intangible Assets [Roll Forward]  
Beginning balance 11
Other Changes 0
Amortization (3)
Currency Translation 0
Ending balance 8
AEC Technology  
Finite-lived Intangible Assets [Roll Forward]  
Beginning balance 2,680
Other Changes 0
Amortization (142)
Currency Translation 112
Ending balance 2,650
AEC Intellectual property  
Finite-lived Intangible Assets [Roll Forward]  
Beginning balance 828
Other Changes 0
Amortization (21)
Currency Translation 0
Ending balance 807
AEC Customer relationships  
Finite-lived Intangible Assets [Roll Forward]  
Beginning balance 21,892
Other Changes 0
Amortization (870)
Currency Translation 73
Ending balance 21,095
Heimbach Developed technology  
Finite-lived Intangible Assets [Roll Forward]  
Beginning balance 7,004
Other Changes 0
Amortization (233)
Currency Translation 281
Ending balance $ 7,052