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Restructuring and Related Charges (Details) $ in Millions | 3 Months Ended | 6 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Dec. 29, 2018 USD ($) | Sep. 29, 2018 USD ($) employee | Dec. 30, 2017 USD ($) employee | Dec. 29, 2018 USD ($) | Dec. 30, 2017 USD ($) | Jul. 01, 2017 employee | Jun. 30, 2018 USD ($)
Summary of various restructuring plans |  |  |  |  |  |  |
Balance at the beginning of the period |  | $ 7.5 |  | $ 7.5 |  |  |
Charges (Benefits) | $ 0.3 |  | $ 2.5 | 15.1 | $ 4.0 |  |
Cash Settlements |  |  |  | (10.8) |  |  |
Non-cash Settlements and Other Adjustments |  |  |  | 0.0 |  |  |
Balance at the end of the period | 11.8 |  |  | 11.8 |  |  |
Long-term restructuring accrual | 0.1 |  |  | 0.1 |  |  | $ 0.1
NSE, including AW Restructuring Plan |  |  |  |  |  |  |
Summary of various restructuring plans |  |  |  |  |  |  |
Balance at the beginning of the period |  | 0.0 |  | 0.0 |  |  |
Charges (Benefits) | 0.6 | $ 15.1 |  | 15.1 |  |  |
Cash Settlements |  |  |  | (4.3) |  |  |
Non-cash Settlements and Other Adjustments |  |  |  | (0.1) |  |  |
Balance at the end of the period | 10.7 |  |  | 10.7 |  |  |
Number of employees impacted (employee) | employee |  | 240 |  |  |  |  |
Trilithic Restructuring Plan |  |  |  |  |  |  |
Summary of various restructuring plans |  |  |  |  |  |  |
Balance at the beginning of the period |  | $ 2.9 |  | 2.9 |  |  |
Charges (Benefits) | 0.0 |  |  | 0.0 |  |  |
Cash Settlements |  |  |  | (2.9) |  |  |
Non-cash Settlements and Other Adjustments |  |  |  | 0.0 |  |  |
Balance at the end of the period | 0.0 |  |  | 0.0 |  |  |
Number of employees impacted (employee) | employee |  |  | 40 |  |  |  |
Focused NSE Restructuring Plan |  |  |  |  |  |  |
Summary of various restructuring plans |  |  |  |  |  |  |
Balance at the beginning of the period |  | 1.9 |  | 1.9 |  |  |
Charges (Benefits) | (0.3) |  |  | 0.1 |  |  |
Cash Settlements |  |  |  | (2.1) |  |  |
Non-cash Settlements and Other Adjustments |  |  |  | 0.1 |  |  |
Balance at the end of the period | 0.0 |  |  | 0.0 |  |  |
Number of employees impacted (employee) | employee |  |  |  |  |  | 360 |
NE Lease Restructuring Plan |  |  |  |  |  |  |
Summary of various restructuring plans |  |  |  |  |  |  |
Balance at the beginning of the period |  | 1.2 |  | 1.2 |  |  |
Charges (Benefits) | 0.0 |  |  | 0.0 |  |  |
Cash Settlements |  |  |  | (0.7) |  |  |
Non-cash Settlements and Other Adjustments |  |  |  | 0.0 |  |  |
Balance at the end of the period | 0.5 |  |  | 0.5 |  |  |
Contractual obligations under the operating lease, net of sublease income, fair value | 0.5 |  |  | 0.5 |  |  |
Other Plans - prior to fiscal 2016 |  |  |  |  |  |  |
Summary of various restructuring plans |  |  |  |  |  |  |
Balance at the beginning of the period |  | $ 1.5 |  | 1.5 |  |  |
Charges (Benefits) | 0.0 |  |  | (0.1) |  |  |
Cash Settlements |  |  |  | (0.8) |  |  |
Non-cash Settlements and Other Adjustments |  |  |  | 0.0 |  |  |
Balance at the end of the period | 0.6 |  |  | 0.6 |  |  |
Other Plans - prior to fiscal 2017 |  |  |  |  |  |  |
Summary of various restructuring plans |  |  |  |  |  |  |
Balance at the end of the period | $ 0.6 |  |  | $ 0.6 |  |  |

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