Goodwill and Other Intangibles - Changes in Goodwill (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2024 USD ($)
Goodwill [Roll Forward]
Balance at beginning of period	$ 1,629,729
Foreign currency translation adjustments and other	(16,195)
Balance at end of period	1,613,534
Reportable Segments | Energy Storage
Goodwill [Roll Forward]
Balance at beginning of period	1,424,484
Foreign currency translation adjustments and other	(12,950)
Balance at end of period	1,411,534
Reportable Segments | Specialties
Goodwill [Roll Forward]
Balance at beginning of period	32,639
Foreign currency translation adjustments and other	(28)
Balance at end of period	32,611
Reportable Segments | Ketjen
Goodwill [Roll Forward]
Balance at beginning of period	172,606
Foreign currency translation adjustments and other	(3,217)
Balance at end of period	$ 169,389