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Intangible assets and goodwill (Tables)
6 Months Ended
Jun. 30, 2024
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Finite-Lived Intangible Assets The following table summarizes the Company's finite-lived intangible assets:
Weighted Average Useful Life in YearsJune 30, 2024December 31, 2023
Gross Carrying AmountAccumulated AmortizationNet Carrying AmountGross Carrying AmountAccumulated AmortizationNet Carrying Amount
Products13.5$855.4 $321.3 $534.1 $855.4 $288.8 $566.6 
Customer relationships0.028.6 28.6 — 28.6 28.6 — 
CDMO0.05.5 5.5 — 5.5 5.5 — 
Total intangible assets$889.5 $355.4 $534.1 $889.5 $322.9 $566.6 
Schedule of Finite-lived Intangible Assets Amortization Expense
Amortization expense associated with the Company's finite-lived intangible assets was recorded as follows:
Three Months Ended June 30,Six Months Ended June 30,
2024202320242023
Amortization of intangible assets$16.3 $16.1 $32.5 $33.1