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Note 5 - Goodwill and Intangible Assets, Net - Change in the Carrying Amount of Goodwill (Details) $ in Thousands	6 Months Ended
	Sep. 30, 2025 USD ($)
Goodwill	$ 181,760
Effect of foreign currency translation	6,728
Goodwill	188,488
Operating Segments [Member] | Sterilization and Disinfection Control [Member]
Goodwill	79,408
Effect of foreign currency translation	4,614
Goodwill	84,022
Operating Segments [Member] | Biopharmaceutical Development [Member]
Goodwill	48,211
Effect of foreign currency translation	1,886
Goodwill	50,097
Operating Segments [Member] | Calibration Solutions [Member]
Goodwill	37,213
Effect of foreign currency translation	76
Goodwill	37,289
Operating Segments [Member] | Clinical Genomics [Member]
Goodwill	16,928
Effect of foreign currency translation	152
Goodwill	$ 17,080

X

- Definition

Amount, after accumulated impairment loss, of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.

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