Accounts Receivable and Significant Clients - Activity in Allowance for Credit Losses (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2021
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balance, beginning of year	$ 1,290	$ 2,301
Provision for credit losses	321	7
Reversal of provision for credit losses	(26)	(767)
Uncollectible receivables written off	(1,410)	0	$ 0
Effect of foreign exchange	(55)	(251)
Balance, end of year	$ 120	$ 1,290	$ 2,301