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Long-Term Debt - Narratives (Details) - USD ($)
$ / shares in Units, $ in Millions
Sep. 09, 2021
Aug. 20, 2021
Aug. 17, 2021
Aug. 10, 2021
Jun. 01, 2021
May 14, 2019
Jul. 06, 2016
Jun. 30, 2022
Jun. 30, 2021
Debt Instrument [Line Items]                  
Stock issued for services   $ 10.0              
Stock issued for services, (in shares)   769,823              
Issue price   $ 12.99              
2023 Convertible Notes                  
Debt Instrument [Line Items]                  
Debt, face amount             $ 460.0    
Interest rate             3.25% 3.25%  
Proceeds from convertible debt             $ 447.6    
Cost of debt issued             $ 12.4    
Convertible debt, original debt       $ 306.5          
Convertible debt       292.4          
Interest rate, effective               3.69% 8.42%
2023 Convertible Notes | Privately negotiated agreements                  
Debt Instrument [Line Items]                  
Convertible debt repurchased, face amount $ 39.9       $ 3.8        
Convertible debt repurchased $ 38.1       $ 3.8        
2026 Convertible Notes                  
Debt Instrument [Line Items]                  
Debt, face amount           $ 230.0      
Interest rate           2.00%   2.00%  
Proceeds from convertible debt           $ 223.4      
Cost of debt issued           $ 6.6      
Convertible debt, original debt       114.7          
Convertible debt       90.0          
Interest rate, effective               2.44% 9.90%
2026 convertible secured notes                  
Debt Instrument [Line Items]                  
Debt, face amount     $ 500.0 $ 117.6          
Interest rate     3.50%         3.50%  
Proceeds from convertible debt     $ 117.6            
Interest rate, effective               4.03%