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Restructuring and Related Charges - Additional Information (Details) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2018 USD ($) employee | Dec. 30, 2017 employee | Jul. 01, 2017 USD ($) employee | Jul. 02, 2016 employee | Apr. 02, 2016 employee | Mar. 29, 2014 employee | Jun. 30, 2018 USD ($) employee | Jul. 01, 2017 USD ($) | Jul. 02, 2016 USD ($)
Restructuring and Related Charges |  |  |  |  |  |  |  |  |
Restructuring accrual | $ 7.5 |  | $ 11.0 |  |  |  | $ 7.5 | $ 11.0 |
Restructuring and related charges |  |  |  |  |  |  | 8.3 | 21.6 | $ 10.5
Long-term restructuring liability | 0.1 |  | 2.2 |  |  |  | 0.1 | 2.2 |
Trilithic Restructuring Plan |  |  |  |  |  |  |  |  |
Restructuring and Related Charges |  |  |  |  |  |  |  |  |
Restructuring accrual | 2.9 |  | 0.0 |  |  |  | 2.9 | 0.0 |
Restructuring and related charges |  |  |  |  |  |  | 3.3 |  |
OSP Restructuring Plan |  |  |  |  |  |  |  |  |
Restructuring and Related Charges |  |  |  |  |  |  |  |  |
Restructuring accrual | 0.0 |  | 0.8 |  |  |  | 0.0 | 0.8 |
Restructuring and related charges |  |  |  |  |  |  | 0.1 |  |
Focused NSE Restructuring Plan |  |  |  |  |  |  |  |  |
Restructuring and Related Charges |  |  |  |  |  |  |  |  |
Restructuring accrual | 1.9 |  | 4.9 |  |  |  | 1.9 | 4.9 |
Restructuring and related charges |  |  |  |  |  |  | 4.4 |  |
NE, SE, and Shared Service Agile Restructuring Plan |  |  |  |  |  |  |  |  |
Restructuring and Related Charges |  |  |  |  |  |  |  |  |
Restructuring accrual | 0.0 |  | 0.2 |  |  |  | 0.0 | 0.2 |
Restructuring and related charges |  |  |  |  |  |  | (0.1) |  |
NE and SE Agile Restructuring Plan |  |  |  |  |  |  |  |  |
Restructuring and Related Charges |  |  |  |  |  |  |  |  |
Restructuring accrual | 0.5 |  | 0.4 |  |  |  | 0.5 | 0.4 |
Restructuring and related charges |  |  |  |  |  |  | 0.1 |  |
NE Product Strategy Restructuring Plan |  |  |  |  |  |  |  |  |
Restructuring and Related Charges |  |  |  |  |  |  |  |  |
Restructuring accrual | 0.4 |  | 0.9 |  |  |  | 0.4 | 0.9 |
Restructuring and related charges |  |  |  |  |  |  | 0.0 |  |
NE Lease Restructuring Plan |  |  |  |  |  |  |  |  |
Restructuring and Related Charges |  |  |  |  |  |  |  |  |
Restructuring accrual | 1.2 |  | 2.6 |  |  |  | 1.2 | 2.6 |
Restructuring and related charges |  |  |  |  |  |  | 0.0 |  |
Contractual obligations under the operating lease, net of sublease income, fair value | 1.2 |  |  |  |  |  | 1.2 |  |
Other Plans Prior to Fiscal 2015 |  |  |  |  |  |  |  |  |
Restructuring and Related Charges |  |  |  |  |  |  |  |  |
Restructuring accrual | $ 0.6 |  | $ 1.2 |  |  |  | 0.6 | $ 1.2 |
Restructuring and related charges |  |  |  |  |  |  | 0.0 |  |
Lease Termination Costs | Trilithic Restructuring Plan |  |  |  |  |  |  |  |  |
Restructuring and Related Charges |  |  |  |  |  |  |  |  |
Restructuring and related charges |  |  |  |  |  |  | 2.3 |  |
Severance | Trilithic Restructuring Plan |  |  |  |  |  |  |  |  |
Restructuring and Related Charges |  |  |  |  |  |  |  |  |
Restructuring and related charges |  |  |  |  |  |  | $ 1.0 |  |
Number of employees expected to be reduced (employee) | employee |  |  |  |  |  |  | 40 |  |
Severance | OSP Restructuring Plan |  |  |  |  |  |  |  |  |
Restructuring and Related Charges |  |  |  |  |  |  |  |  |
Number of employees impacted | employee |  |  | 30 |  |  |  |  |  |
Severance | Focused NSE Restructuring Plan |  |  |  |  |  |  |  |  |
Restructuring and Related Charges |  |  |  |  |  |  |  |  |
Number of employees impacted | employee |  |  |  |  |  |  | 360 |  |
Increase in number of positions eliminated | employee | 60 | 60 |  |  |  |  |  |  |
Workforce Reduction | NE, SE, and Shared Service Agile Restructuring Plan |  |  |  |  |  |  |  |  |
Restructuring and Related Charges |  |  |  |  |  |  |  |  |
Number of employees impacted | employee |  |  |  | 170 |  |  |  |  |
Workforce Reduction | NE and SE Agile Restructuring Plan |  |  |  |  |  |  |  |  |
Restructuring and Related Charges |  |  |  |  |  |  |  |  |
Number of employees impacted | employee |  |  |  |  | 40 |  |  |  |
Workforce Reduction | NE Product Strategy Restructuring Plan |  |  |  |  |  |  |  |  |
Restructuring and Related Charges |  |  |  |  |  |  |  |  |
Number of employees impacted | employee |  |  |  |  |  | 60 |  |  |

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