XML 37 R22.htm IDEA: XBRL DOCUMENT v3.21.1
Convertible Senior Notes (Tables)
3 Months Ended
Mar. 31, 2021
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)March 31,
2021
December 31,
2020
Principal$381.2 $381.3 
Deferred financing costs(3.7)(4.0)
Debt discount, net(55.5)(59.4)
Net carrying amount$322.0 $317.9