Note 6 - Goodwill and Intangible Assets, Net - Change in the Carrying Amount of Goodwill (Details) $ in Thousands	9 Months Ended
Dec. 31, 2023 USD ($)
Goodwill	$ 286,444
Effect of foreign currency translation	4,428
Goodwill related to GKE acquisition	54,470
Measurement period adjustment, Belyntic Acquisition	841
Goodwill	346,183
Sterilization and Disinfection Control [Member] \| Operating Segments [Member]
Goodwill	29,559
Effect of foreign currency translation	2,460
Goodwill related to GKE acquisition	54,470
Measurement period adjustment, Belyntic Acquisition	0
Goodwill	86,489
Clinical Genomics [Member] \| Operating Segments [Member]
Goodwill	135,811
Effect of foreign currency translation	(55)
Goodwill related to GKE acquisition	0
Measurement period adjustment, Belyntic Acquisition	0
Goodwill	135,756
Biopharmaceutical Development [Member] \| Operating Segments [Member]
Goodwill	83,857
Effect of foreign currency translation	2,009
Goodwill related to GKE acquisition	0
Measurement period adjustment, Belyntic Acquisition	841
Goodwill	86,707
Calibration Solutions [Member] \| Operating Segments [Member]
Goodwill	37,217
Effect of foreign currency translation	14
Goodwill related to GKE acquisition	0
Measurement period adjustment, Belyntic Acquisition	0
Goodwill	$ 37,231

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