XML 38 R23.htm IDEA: XBRL DOCUMENT v3.20.2
Convertible Senior Notes (Tables)
6 Months Ended
Jun. 30, 2020
Debt Disclosure [Abstract]  
Summary of Notes Net of Discount and Deferred Financing Costs
The 2024 Notes, net of discounts and deferred financing costs, consisted of the following:
(in millions)June 30,
2020
December 31,
2019
Principal$517.5  $517.5  
Deferred financing costs(6.2) (6.9) 
Debt discount, net(91.8) (101.8) 
Net carrying amount$419.5  $408.8