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Debt - Additional Information (Details)
$ / shares in Units, $ in Thousands
2 Months Ended 3 Months Ended
Sep. 30, 2020
USD ($)
$ / shares
Sep. 30, 2022
USD ($)
Sep. 30, 2021
USD ($)
Debt      
Amortization of fees on debt   $ 410 $ 404
Convertible Senior Notes Due 2027      
Debt      
Face amount $ 420,000    
Interest rate (as percent) 1.125%    
Net proceeds $ 408,600    
Interest expense   1,200 1,200
Debt issuance costs $ 11,400    
Amortization of fees on debt   $ 400 $ 400
Period prior to maturity date where noteholders may convert their notes at their election prior to the maturity date 2 days    
Conversion rate 18.9109    
Conversion price (in dollars per share) | $ / shares $ 52.88    
Upper strike price (in dollars per share) | $ / shares $ 86.174    
Capped call transaction $ 60,400