Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

No definition available.

Name:	us-gaap_SubsequentEventLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Subsequent Events (Details) - Subsequent Event - Avia trademark - USD ($) $ in Millions	Oct. 24, 2019	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2020
Subsequent Event [Line Items]
Contract price	$ 12.3
Instalments period	3 years
Payment receivables		$ 4.0	$ 5.0	$ 3.3