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Revenue recognition (Tables)
9 Months Ended
Sep. 30, 2023
Revenue from Contract with Customer [Abstract]  
Schedule of Disaggregation of Revenue The Company's revenues disaggregated by operating segment and major sources for the three and nine months ended September 30, 2023 and 2022 were as follows:
Three Months Ended September 30, 2023Three Months Ended September 30, 2022
USGNon-USG TotalUSGNon-USG Total
Product sales, net$103.0 $146.8 $249.8 $33.4 $152.8 $186.2 
CDMO:
Services— 13.2 13.2 — 36.1 36.1 
Leases— 1.0 1.0 — 0.2 0.2 
Total CDMO$— $14.2 $14.2 $— $36.3 $36.3 
Contracts and grants5.1 1.4 6.5 16.4 1.0 17.4 
Total revenues$108.1 $162.4 $270.5 $49.8 $190.1 $239.9 
Nine Months Ended September 30, 2023Nine Months Ended September 30, 2022
USGNon-USG TotalUSGNon-USG Total
Product sales, net$279.6 $415.8 $695.4 $255.0 $405.5 $660.5 
CDMO:
Services— 52.2 52.2 — 87.8 87.8 
Leases— 5.5 5.5 — 4.7 4.7 
Total CDMO$— $57.7 $57.7 $— $92.5 $92.5 
Contracts and grants14.6 5.0 19.6 31.7 2.6 34.3 
Total revenues$294.2 $478.5 $772.7 $286.7 $500.6 $787.3 
Schedule of Rollforward of Contract Liabilities The following table presents the roll forward of the contract liability balances:
Contract Liabilities
Balance at December 31, 2022$31.7 
Balance at September 30, 2023$27.9 
Revenue recognized in the period from amounts included in contract liability at the beginning of the period:$(7.3)
Schedule of Accounts Receivable, Net
Accounts receivable, including unbilled accounts receivable contract assets, consist of the following:
September 30, 2023December 31, 2022
(As Restated)
Accounts receivable:
Billed$156.6 $102.7 
Unbilled61.0 57.2 
Allowance for expected credit losses(1.1)(0.7)
Accounts receivable, net$216.5 $159.2