Supplemental Financial Information - Schedule of Accounts Receivable, Net (Details) - USD ($) $ in Thousands		Jun. 30, 2021	Jun. 30, 2020
Accounts receivable, net
Accounts receivable		$ 74,054	$ 80,128
Unbilled fees and services	[1]	12,354	11,739
Accounts and other receivable, gross		86,408	91,867
Less: Allowance for credit losses		(1,048)	(1,268)
Accounts receivable, net	[2]	$ 85,360	$ 90,599

[1] Included in accounts receivable on consolidated balance sheets

[2] Included accounts receivable from the China joint venture of $8,822 and $3,039 at June 30, 2021 and June 30, 2020, respectively. See Note 13