XML 62 R51.htm IDEA: XBRL DOCUMENT v3.21.2
Revenue Recognition - Contract Balances (Details) - USD ($)
$ in Millions
May 31, 2021
Aug. 31, 2020
Revenue from Contract with Customer [Abstract]    
Current deferred revenues $ 7.0 $ 5.4
Non-current deferred revenues $ 56.2 $ 53.6