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The Company and Significant Accounting Policies - Government Grants (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Mar. 31, 2022 | Mar. 31, 2021 | Mar. 31, 2022 | Mar. 31, 2021
Organization, Consolidation and Presentation of Financial Statements [Abstract] |  |  |  |
Government Grants, Reduction Recorded To Interest Expense | $ 0.0 | $ 0.7 | $ 0.9 | $ 2.2
Government Grants, Reduction Recorded To Property, Plant And Equipment | 0.0 | 0.0 | 1.2 | 0.1
Government Grants, Reduction Recorded To Operating Expenses | $ 0.0 | $ 0.1 | $ 0.2 | $ 3.7

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