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Intangible assets and goodwill (Tables)
 3 Months Ended
Mar. 31, 2023
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Finite-Lived Intangible Assets The following table summarizes the Company's Intangible assets, net:
Weighted Average Useful Life in YearsMarch 31, 2023December 31, 2022
Gross Carrying AmountAccumulated Amortization
Net Carrying Amount (1)
Gross Carrying AmountAccumulated AmortizationNet Carrying Amount
Products13.6$849.1 $240.2 $608.9 $982.1 $253.3 $728.8 
Customer relationships0.028.6 28.6 — 28.6 28.6 — 
CDMO0.05.5 5.5 — 5.5 5.5 — 
   Total intangible assets$883.2 $274.3 $608.9 $1,016.2 $287.4 $728.8 
(1) The net carrying value of intangible assets as of March 31, 2023 excluded $102.9 million of assets related to our travel health business, which were reclassified as assets held for sale in anticipation of the sale of the travel health business to Bavarian Nordic (see Note 3, "Assets and liabilities held for sale").
Schedule of Goodwill
The table below summarizes the changes in the carrying amount of goodwill by reportable segment:
Products (1)
Services (2)
Total
Balance at December 31, 2022$218.2 $— $218.2 
Balance at March 31, 2023$218.2 $— $218.2 
(1) Amounts for the Company's Products segment include gross carrying values of $259.9 million as of March 31, 2023 and December 31, 2022 and accumulated impairment losses of $41.7 million.
(2) Amounts for the Company's Services segment include gross carrying values of $6.7 million as of March 31, 2023, December 31, 2022, and accumulated impairment losses of $6.7 million.