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Goodwill (Tables) | 12 Months Ended
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Jul. 03, 2021
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Changes in Goodwill | Changes in the carry value of goodwill allocated segment are as follows (in millions):
| Network Enablement |  | Service Enablement |  | Optical Security and Performance Products |  | Total
Balance as of June 29, 2019 (1) | $ | 338.9 |  |  | $ | — |  |  | $ | 42.2 |  |  | $ | 381.1 |
Acquisitions (2) | — |  |  | 4.3 |  |  | — |  |  | 4.3 |
Currency translation and other adjustments | (4.0) |  |  | — |  |  | — |  |  | (4.0) |
Balance as of June 27, 2020 (3) | $ | 334.9 |  |  | $ | 4.3 |  |  | $ | 42.2 |  |  | $ | 381.4 |
Currency translation | 14.8 |  |  | 0.3 |  |  | — |  |  | 15.1 |
Balance as of July 03, 2021 (4) | $ | 349.7 |  |  | $ | 4.6 |  |  | $ | 42.2 |  |  | $ | 396.5 |
(1)Gross goodwill balances for NE, SE and OSP were $640.8 million, $272.6 million and $126.7 million, respectively as of June 29, 2019. Accumulated impairment for NE, SE and OSP was $301.9 million, $272.6 million and $84.5 million, respectively as of June 29, 2019. (2)See “Note 5. Acquisitions” of the Notes to Consolidated Financial Statement for additional information related to the Company’s acquisitions. (3)Gross goodwill balances for NE, SE and OSP were $636.8 million, $276.9 million and $126.7 million, respectively as of June 27, 2020. Accumulated impairment for NE, SE and OSP was $301.9 million, $272.6 million and $84.5 million, respectively as of June 27, 2020. (4)Gross goodwill balances for NE, SE and OSP were $651.6 million, $277.2 million and $126.7 million, respectively as of July 3, 2021. Accumulated impairment for NE, SE and OSP was $301.9 million, $272.6 million and $84.5 million, respectively as of July 3, 2021.

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- Definition Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13854-109267 + Details
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