Joint Venture - Summary of Financial Information of Joint Ventures (Operations Data) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2024	Mar. 31, 2024	Jun. 30, 2023	Mar. 31, 2023	Jun. 30, 2022	Mar. 31, 2022
Schedule Of Equity Method Investments [Line Items]
Revenue	$ 446,551		$ 447,605		$ 429,909
Gross profit	142,921		153,960		159,955
Net income	$ (15,545)		$ (9,280)		$ (5,347)
CNNC Accuray (Tianjin) Medical Technology Co. Ltd.
Schedule Of Equity Method Investments [Line Items]
Revenue		$ 114,942		$ 109,097		$ 55,190
Gross profit		22,137		21,522		15,915
Net income		3,750		5,280		422
Net income attributable to the Company		$ 1,838		$ 2,572		$ 241