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Segment Information - Narrative (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2025 USD ($)	Sep. 30, 2024	Sep. 30, 2025 USD ($) segment	Sep. 30, 2024	Mar. 31, 2025 USD ($)
Segment Reporting Information [Line Items]
Number of operating segments (in segments) | segment			1
Long lived assets	$ 178,490		$ 178,490		$ 170,105
United States
Segment Reporting Information [Line Items]
Long lived assets	60,200		60,200		60,000
China
Segment Reporting Information [Line Items]
Long lived assets	48,300		48,300		43,400
Switzerland
Segment Reporting Information [Line Items]
Long lived assets	$ 25,900		$ 25,900		$ 24,100
Geographic concentration | Consolidated net sales from continuing operations | Switzerland
Segment Reporting Information [Line Items]
Percentage of consolidated net sales	4.00%	3.00%	4.00%	3.00%

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- Definition

Other long-lived assets include Right-of-Use Assets and Property, plant and equipment, net (excluding software)

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.

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