Contingencies and Litigation - Additional Information (Details) $ in Millions	Nov. 30, 2020 USD ($)
Commitments and Contingencies Disclosure [Abstract]
Outstanding letters of credit	$ 11.9
Contractual Obligation, Future Minimum Payments Due, Remainder of Lease Payments	$ 6.5

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

No definition available.

Name:	us-gaap_LettersOfCreditOutstandingAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant