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Note 5 - Goodwill and Intangible Assets, Net - Change in the Carrying Amount of Goodwill (Details) $ in Thousands | 9 Months Ended
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Dec. 31, 2020 USD ($)
Goodwill | $ 141,536
Effect of foreign currency translation | 17,183
Goodwill adjustment related to GPT acquisition | 7,065
Goodwill | 165,784
Corporate, Non-Segment [Member] |
Goodwill | 0
Effect of foreign currency translation | 0
Goodwill adjustment related to GPT acquisition | 0
Goodwill | 0
Sterilization and Disinfection Control [Member] | Operating Segments [Member] |
Goodwill | 29,594
Effect of foreign currency translation | 894
Goodwill adjustment related to GPT acquisition | 0
Goodwill | 30,488
Instruments [Member] | Operating Segments [Member] |
Goodwill | 19,123
Effect of foreign currency translation | 106
Goodwill adjustment related to GPT acquisition | 0
Goodwill | 19,229
Biopharmaceutical Development [Member] | Operating Segments [Member] |
Goodwill | 74,716
Effect of foreign currency translation | 16,183
Goodwill adjustment related to GPT acquisition | 7,065
Goodwill | 97,964
Continuous Monitoring [Member] | Operating Segments [Member] |
Goodwill | 18,103
Effect of foreign currency translation | 0
Goodwill adjustment related to GPT acquisition | 0
Goodwill | $ 18,103

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