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Research Collaboration and License Agreements (Tables)
6 Months Ended
Jun. 30, 2022
Research Collaboration And License Agreements [Abstract]  
Summary of Contract Balances
Information about changes in the Company's contract balances for the six months ended June 30, 2022 and 2021 is as follows:
(dollars in millions)June 30,
2022
June 30,
2021
Accounts receivable
Beginning balance$15.0 $— 
Additions1.4 — 
Payments received(15.0)— 
Ending balance$1.4 $— 
Contract assets: Collaboration contract asset
Beginning balance$12.5 $— 
Amortization(0.8)— 
Ending balance$11.7 $— 
Contract liabilities: Deferred revenue
Beginning balance$740.5 $45.1 
Revenue recognized from balances held at the beginning of the period(55.5)(11.1)
Additions to collaboration agreements3.0 3.0 
Ending balance$688.0 $37.0 
Transaction Price Allocated to Performance Obligations
The aggregate amount of the transaction price allocated to performance obligations that are unsatisfied as of June 30, 2022 was $688.0 million, which is expected to be recognized in the following periods:
(dollars in millions)
Remainder of 2022$101.1 
2023190.0 
2024136.5 
2025100.4 
202663.4 
202734.1 
Thereafter62.5 
Total$688.0