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Condensed Consolidated Balance Sheets (Parenthetical) - $ / shares
Sep. 30, 2021
Mar. 31, 2021
Statement of Financial Position [Abstract]    
Common stock, par value (in dollars per share) $ 0.01 $ 0.01
Common stock, authorized (in shares) 600,000,000 600,000,000
Common stock, issued (in shares) 163,627,651 162,950,606
Common stock, outstanding (in shares) 134,325,110 136,246,029
Treasury stock (in shares) 29,302,541 26,704,577