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Goodwill and Other Intangible Assets - Purchase Price Allocation of Intangible Assets Acquired Other Than Goodwill (Detail) - USD ($) $ in Thousands | 9 Months Ended |
--- | --- | ---
Mar. 31, 2020 | Jun. 30, 2019
Finite-Lived Intangible Assets [Line Items] |  |
Accumulated Amortization | $ (146,477) | $ (102,516)
Net Book Value | 763,456 | 139,324
Finisar Corporation |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 669,700 |
Accumulated Amortization | (32,775) |
Net Book Value | 636,925 |
Technology and Patents |  |
Finite-Lived Intangible Assets [Line Items] |  |
Accumulated Amortization | (59,222) | (39,679)
Net Book Value | 367,812 | 51,958
Technology and Patents | Finisar Corporation |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 334,700 |
Accumulated Amortization | (14,058) |
Net Book Value | $ 320,642 |
Weighted Average Remaining Amortization Period (Years) | 12 years |
Trade Names |  |
Finite-Lived Intangible Assets [Line Items] |  |
Accumulated Amortization | $ (3,000) | (1,601)
Net Book Value | 19,367 | 14,158
Trade Names | Finisar Corporation |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 6,700 |
Accumulated Amortization | (1,301) |
Net Book Value | $ 5,399 |
Weighted Average Remaining Amortization Period (Years) | 2 years 6 months |
Customer Lists |  |
Finite-Lived Intangible Assets [Line Items] |  |
Accumulated Amortization | $ (82,687) | (59,664)
Net Book Value | 376,277 | $ 73,208
Customer Lists | Finisar Corporation |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 328,300 |
Accumulated Amortization | (17,416) |
Net Book Value | $ 310,884 |
Weighted Average Remaining Amortization Period (Years) | 9 years 4 months 24 days |

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- Definition Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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- Definition The amount of identifiable intangible assets recognized as of the acquisition date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 55 -Paragraph 37 -URI http://asc.fasb.org/extlink&oid=116868840&loc=d3e2207-128464 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=116869197&loc=d3e4845-128472 + Details
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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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