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Debt (Tables)
 12 Months Ended
Dec. 31, 2023
Debt Disclosure [Abstract]  
Schedule of Debt
The components of debt consisted of the following: 
 As of December 31,
(in millions)20232022
Equipment financing due May 2024$2.7 $9.5 
Equipment financing due November 202515.2 22.5 
5.15% Mortgage due November 2025
63.3 65.5 
0.375% Convertible Senior Notes due September 2026
800.0 800.0 
Equipment financing12.7 — 
Term loan due May 2028487.5 492.5 
Revolving Credit Facility expires June 2028— — 
Equipment financing due July 202829.0 34.4 
Finance lease obligation(1)
22.9 — 
Unamortized debt discount(6.4)(7.6)
Debt issuance costs(11.1)(15.0)
Total debt, net1,415.8 1,401.8 
Less: current portion49.4 27.5 
Total long term-debt, net$1,366.4 $1,374.3 
(1) Refer to Note 15 for information regarding finance lease obligation.
The carrying value amounts of the Company’s debt were as follows:
As of December 31,
(in millions)20232022
Term loan due May 2028
$479.2 $482.1 
0.375% Convertible Senior Notes
791.8 788.8 
Equipment financings
59.3 66.4 
5.15% Mortgage
62.6 64.5 
Finance lease obligation22.9 — 
Total debt, net$1,415.8 $1,401.8 
Schedule of Interest Expense
The components of interest expense related to the Notes were as follows:
Years Ended December 31,
(in millions)
202320222021
Contractual interest expense
$3.0 $3.0 $3.0 
Amortization of debt issuance costs
3.0 3.0 1.9 
Total interest recognized on the Convertible Notes$6.0 $6.0 $4.9 
Schedule of Maturities of Debt
The maturity of debt as of December 31, 2023 is as follows:
Years Ending December 31, (in millions)
2024$49.4 
2025$86.4 
2026$818.9 
2027$17.2 
2028$472.5