Joint Venture - Summary of Financial Information of Joint Ventures (Operations Data) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2020
Schedule Of Equity Method Investments [Line Items]
Total net revenue	$ 429,909		$ 396,289		$ 382,928
Gross Profit	159,955		159,507		149,721
Net income	$ (5,347)		$ (6,311)		$ 3,827
CNNC Accuray (Tianjin) Medical Technology Co. Ltd.
Schedule Of Equity Method Investments [Line Items]
Total net revenue		$ 55,190		$ 33,054
Gross Profit		15,915		10,578
Net income		422		1,785
Net income attributable to the Company		$ 241		$ 872