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LONG-TERM DEBT (Tables)
9 Months Ended
Sep. 30, 2025
LONG-TERM DEBT  
Schedule of long-term debt

September 30, 

December 31, 

    

2025

    

2024

(in millions)

Convertible Notes due 2028, 2.5% interest

$

575.0

$

575.0

Less: debt discount

(8.2)

(10.3)

Net long-term debt

$

566.8

$

564.7

Schedule of interest expense

Three Months Ended September 30, 

Nine Months Ended September 30, 

    

2025

    

2024

    

2025

    

2024

(in millions)

Interest expense

$

3.4

$

5.6

$

10.3

$

18.0

Amortization of debt issuance costs

0.8

0.8

2.3

2.5

Total interest expense related to debt

$

4.2

$

6.4

$

12.6

$

20.5