Income Taxes - Summary of Changes in Valuation Allowances (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2023
Valuation Allowance [Roll Forward]
Balance at beginning of year	$ 67,626	$ 52,551
Charged to costs and expenses	28,757	15,075	$ 14,935
Balance at end of year	96,383	67,626	52,551
Additions charged to income tax expense
Valuation Allowance [Roll Forward]
Charged to costs and expenses	28,193	18,998
Reductions credited to income tax expense
Valuation Allowance [Roll Forward]
Charged to costs and expenses	(829)	(3,858)
THWR Purchase Accounting
Valuation Allowance [Roll Forward]
Charged to costs and expenses	0	0	$ 291
Currency translation adjustments
Valuation Allowance [Roll Forward]
Charged to costs and expenses	$ 1,393	$ (65)