Acquisition of Praha Vaccines a.s. (Details) - May 27, 2020 - Praha Vaccines a.s € in Millions, $ in Millions	EUR (€)	USD ($)	USD ($)
Business Acquisition [Line Items]
Total consideration	€ 151.7	$ 167.3
Purchase Price placed in an escrow account	€ 10.0		$ 11.1

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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