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Commitments and Contingencies - Narrative (Details) - Samsung Biologics Co., Ltd - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Long-term Purchase Commitment [Line Items]
Purchase obligation	$ 18.7		$ 18.7
Purchase obligation, to be paid in 2023	3.5		3.5
Purchase Obligation, to be paid in 2024	2.5		2.5
Purchase obligation, to be paid in 2026	12.7		12.7
Research and development	0.6	$ 1.7	1.3	$ 1.7
Payments for purchase commitments			14.6
Accrued Expenses
Long-term Purchase Commitment [Line Items]
Purchase obligation, to be paid in 2023	$ 3.2		$ 3.2

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The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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