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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical) - USD ($)
$ in Millions
Sep. 30, 2022
Dec. 31, 2021
Sep. 30, 2021
Apr. 30, 2021
0 Percent Convertible Senior Notes [Member]        
Financing activities:        
Interest rate on convertible senior notes 0.00% 0.00% 0.00%  
1 Percent Convertible Senior Notes [Member]        
Financing activities:        
Interest rate on convertible senior notes 1.00%   1.00%  
Principal amount repurchased     $ 247.9 $ 247.9