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Fair Value of Financial Instruments (Tables) | 6 Months Ended
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Dec. 31, 2019
Business Combinations [Abstract] |
Summary of Fair Value and Carrying Value of II-VI Notes and Finisar Notes | The fair value and carrying value of the II-VI Notes and Finisar Notes were as follows at December 31, 2019 ($000):
|  | Fair Value |  |  | Carrying Value |
II-VI Notes |  | $ | 353,266 |  |  | $ | 307,687 |
Finisar Notes |  |  | 13,771 |  |  |  | 14,888 |

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- Definition Tabular disclosure of information pertaining to carrying amount and estimated fair value of short-term and long-term debt instruments or arrangements, including but not limited to, identification of terms, features, and collateral requirements. + References No definition available. + Details
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