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Condensed Consolidated Balance Sheets (Parenthetical) - shares
Jun. 30, 2020
Mar. 31, 2020
Statement of Financial Position [Abstract]    
Common shares, authorized (in shares) 600,000,000 600,000,000
Common shares, issued (in shares) 281,055,994 280,853,040
Common shares, outstanding (in shares) 281,055,994 280,853,040