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Restructuring - Summary of Restructuring Plans (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Jun. 28, 2025 | Jun. 29, 2024 | Jul. 01, 2023
Summary of various restructuring plans |  |  |
Accrual balance at the beginning of the period | $ 14.9 |  |
Restructuring and related charges | 0.7 | $ 13.6 | $ 12.1
Cash settlements | (12.4) |  |
Foreign currency translation adjustments | 0.3 |  |
Accrual balance at the end of the period | 3.5 | 14.9 |
Fiscal Year 2024 Restructuring Plan |  |  |
Summary of various restructuring plans |  |  |
Accrual balance at the beginning of the period | 14.6 |  |
Restructuring and related charges | 0.9 | 14.8 |
Cash settlements | (12.3) |  |
Foreign currency translation adjustments | 0.3 |  |
Accrual balance at the end of the period | 3.5 | 14.6 |
Fiscal Year 2024 Restructuring Plan | Network and Service Enablement |  |  |
Summary of various restructuring plans |  |  |
Accrual balance at the beginning of the period | 13.4 |  |
Restructuring and related charges | 1.0 |  |
Cash settlements | (11.2) |  |
Foreign currency translation adjustments | 0.3 |  |
Accrual balance at the end of the period | 3.5 | 13.4 |
Fiscal Year 2024 Restructuring Plan | OSP |  |  |
Summary of various restructuring plans |  |  |
Accrual balance at the beginning of the period | 1.2 |  |
Restructuring and related charges | (0.1) |  |
Cash settlements | (1.1) |  |
Foreign currency translation adjustments | 0.0 |  |
Accrual balance at the end of the period | 0.0 | 1.2 |
Fiscal 2023 Plan |  |  |
Summary of various restructuring plans |  |  |
Accrual balance at the beginning of the period | 0.3 |  |
Restructuring and related charges | (0.2) | (1.2) | $ 12.1
Cash settlements | (0.1) |  |
Foreign currency translation adjustments | 0.0 |  |
Accrual balance at the end of the period | 0.0 | 0.3 |
Fiscal 2023 Plan | Network and Service Enablement |  |  |
Summary of various restructuring plans |  |  |
Accrual balance at the beginning of the period | 0.3 |  |
Restructuring and related charges | (0.2) |  |
Cash settlements | (0.1) |  |
Foreign currency translation adjustments | 0.0 |  |
Accrual balance at the end of the period | $ 0.0 | $ 0.3 |

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