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Unaudited Supplemental Pro Forma Financial Information (Detail) - Finisar Corporation - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2019 | Dec. 31, 2018
Business Acquisition [Line Items] |  |  |  |
Revenue | $ 666,331 | $ 672,403 | $ 1,274,487 | $ 1,300,266
Net Earnings (Loss) | $ (29,318) | $ (16,633) | $ (30,956) | $ (147,820)

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