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The Company and Significant Accounting Policies - Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2024	Dec. 31, 2023	Feb. 28, 2023
Revenues from External Customers and Long-Lived Assets
Revenue	$ 173,156	$ 165,285	$ 355,043	$ 345,918
Increase (Decrease) in Contract with Customer, Asset			8,451	0
License and development services
Revenues from External Customers and Long-Lived Assets
Revenue	5,401	$ 5,466	11,042	$ 11,107
License and development services | Silicon Carbide
Revenues from External Customers and Long-Lived Assets
Remaining performance obligation					$ 45,000
Revenue			8,500
Cumulative Contract Revenue	42,200		42,200
Increase (Decrease) in Contract with Customer, Asset			2,600
Contract with Customer, Asset, after Allowance for Credit Loss	$ 8,500		$ 8,500

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