Goodwill and Other Intangibles - Changes in Goodwill (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Oct. 23, 2025	Dec. 31, 2024
Goodwill [Roll Forward]
Balance at beginning of period			$ 1,582,714
Impairment charges	$ (181,070)	$ 0	(181,070)	$ 0
Foreign currency translation adjustments			89,225
Balance at end of period	1,490,869		1,490,869
Refining Solutions
Goodwill [Roll Forward]
Impairment charges	(181,100)
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Eurecat S.A. | Subsequent Event
Goodwill [Roll Forward]
Ownership interest divested					50.00%
Energy Storage
Goodwill [Roll Forward]
Balance at beginning of period			1,387,591
Impairment charges			0
Foreign currency translation adjustments			70,634
Balance at end of period	1,458,225		1,458,225
Specialties
Goodwill [Roll Forward]
Balance at beginning of period			32,577
Impairment charges			0
Foreign currency translation adjustments			67
Balance at end of period	32,644		32,644
Ketjen
Goodwill [Roll Forward]
Balance at beginning of period			162,546
Impairment charges			(181,070)
Foreign currency translation adjustments			18,524
Balance at end of period	0		0
Accumulated impairment loss	$ 187,900		$ 187,900			$ 6,800