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GOODWILL AND OTHER INTANGIBLE ASSETS - Summary of changes in goodwill (Details) - USD ($) $ in Thousands		12 Months Ended
	Apr. 22, 2025	Dec. 31, 2025	Dec. 31, 2024
Summary of changes in goodwill
Balance at beginning of period		$ 148,157	$ 81,667
Measurement period adjustments		7,144	201
Foreign currency translation adjustments		2,302	(1,245)
Balance at end of period		181,406	148,157
Product
Summary of changes in goodwill
Balance at beginning of period		145,541	79,051
Measurement period adjustments		7,144	201
Foreign currency translation adjustments		2,302	(1,245)
Balance at end of period		178,790	145,541
Distribution
Summary of changes in goodwill
Balance at beginning of period		2,616	2,616
Balance at end of period		2,616	2,616
ICOR
Summary of changes in goodwill
Acquisition			18,980
ICOR \| Product
Summary of changes in goodwill
Acquisition			18,980
Alpha Safety
Summary of changes in goodwill
Acquisition			48,554
Alpha Safety \| Product
Summary of changes in goodwill
Acquisition			$ 48,554
Zircaloy
Summary of changes in goodwill
Acquisition		23,803
Measurement period adjustments	$ 7,144
Balance at end of period	$ 30,947
Zircaloy \| Product
Summary of changes in goodwill
Acquisition		$ 23,803