XML 118 R95.htm IDEA: XBRL DOCUMENT v3.22.4
Debt - Interest Expense (Details) - Senior Notes - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
2027 Notes      
Debt Instrument [Line Items]      
Contractual interest coupon $ 33.3 $ 33.3 $ 5.7
Amortization of debt issuance costs 1.2 1.2 0.2
Total $ 34.5 34.5 5.9
2022 Notes      
Debt Instrument [Line Items]      
Contractual interest coupon     13.8
Amortization of debt issuance costs     0.7
Total     14.5
2021 Notes      
Debt Instrument [Line Items]      
Contractual interest coupon   0.8 4.6
Amortization of debt discount   0.5 3.1
Amortization of debt issuance costs   0.1 0.5
Total   $ 1.4 $ 8.2