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Commitments and Contingencies (Tables) | 6 Months Ended
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Dec. 30, 2017
Commitments and Contingencies Disclosure [Abstract] |
Schedule of changes in the entity's warranty reserve | The following table presents the changes in the Company’s warranty reserve during fiscal 2018 and fiscal 2017 (in millions):
| Three Months Ended |  | Six Months Ended
| December 30, 2017 |  | December 31, 2016 |  | December 30, 2017 |  | December 31, 2016
Balance as of beginning of period | $ | 6.4 |  |  | $ | 5.2 |  |  | $ | 5.8 |  |  | $ | 4.9 |
Provision for warranty | 1.7 |  |  | 1.6 |  |  | 2.2 |  |  | 3.2 |
Utilization of reserve | (2.6 | ) |  | (0.9 | ) |  | (3.5 | ) |  | (2.0 | )
Adjustments related to pre-existing warranties (including changes in estimates) | 1.3 |  |  | (0.6 | ) |  | 2.0 |  |  | (0.8 | )
Acquisition of Trilithic (1) | — |  |  | — |  |  | 0.3 |  |  | — |
Balance as of end of period | $ | 6.8 |  |  | $ | 5.3 |  |  | $ | 6.8 |  |  | $ | 5.3 |
(1) See “Note 5. Mergers and Acquisitions” of the Notes to Consolidated Financial Statements for detail of acquisition.

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- Definition Tabular disclosure of the changes in the guarantor's aggregate product warranty liability, including the beginning balance of the aggregate product warranty liability, the aggregate reductions in that liability for payments made (in cash or in kind) under the warranty, the aggregate changes in the liability for accruals related to product warranties issued during the reporting period, the aggregate changes in the liability for accruals related to preexisting warranties (including adjustments related to changes in estimates), and the ending balance of the aggregate product warranty liability. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=68068213&loc=d3e12565-110249 + Details
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