XML 151 R117.htm IDEA: XBRL DOCUMENT v3.21.2
Convertible Debentures - Schedule of Convertible Debentures - APHA 24 (Details) - USD ($)
$ in Thousands
12 Months Ended
May 31, 2021
May 31, 2020
Debt Instrument [Line Items]    
Opening balance $ 196,405  
Closing balance 667,624 $ 196,405
5.25% Convertible Notes ("APHA 24")    
Debt Instrument [Line Items]    
Opening balance 196,405 305,626
Debt settlement   (66,127)
Fair value adjustment 203,039 (43,094)
Closing balance $ 399,444 $ 196,405