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Debt (Tables)
9 Months Ended
Sep. 30, 2024
Debt Disclosure [Abstract]  
Schedule of Components of Debt
The components of debt consisted of the following:
(in millions)
September 30, 2024December 31, 2023
Equipment Financing due May 2024
$— $2.7 
Equipment Financing due November 2025
10.6 15.2 
5.15% Mortgage due November 2025
61.5 63.3 
0.375% Convertible Senior Notes due September 2026
800.0 800.0 
Equipment Financing
14.0 12.7 
Term Loan due August 2031
483.7 487.5 
Revolving Credit Facility expires June 2028— — 
Equipment Financing due July 2028
24.8 29.0 
Finance lease obligation
18.7 22.9 
Unamortized debt discount(6.1)(6.4)
Debt issuance costs(8.9)(11.1)
Total debt, net1,398.3 1,415.8 
Less: current portion42.0 49.4 
Total long-term debt, net$1,356.3 $1,366.4 
Schedule of Interest Expense The components of interest expense related to the Convertible Notes for the were as follows:
Three Months Ended September 30,Nine Months Ended September 30,
(in millions)
2024202320242023
Contractual interest expense
$0.8 $0.8 $2.3 $2.3 
Amortization of debt issuance costs
0.7 0.7 2.2 2.2 
  Total interest recognized on the Convertible Notes
$1.5 $1.5 $4.5 $4.5 
Schedule of Carrying Amount and Estimated Fair Value of Convertible Debt
At the end of each period, the carrying value of the Company’s debt was comprised of the following:
(in millions)
September 30, 2024December 31, 2023
Term Loan
$475.2 $479.2 
Convertible Notes
794.1 791.8 
Equipment financings
49.2 59.3 
Mortgage
61.1 62.6 
Finance lease obligation
18.7 22.9 
  Total debt, net
$1,398.3 $1,415.8