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Income Taxes - Additional Information (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Jun. 29, 2019 | Jun. 30, 2018 | Jul. 01, 2017
Net operating loss carryforwards |  |  |
Operating loss carryforwards |  | $ 117.7 |
Undistributed earnings of certain foreign subsidiaries |  | 276.7 |
Estimated additional U.S. income or foreign withholding taxes that would have to be provided if earnings of foreign subsidiaries were repatriated to the U.S. | $ 28.0 |  |
Change in tax rate, deferred tax asset, tax benefit |  | 4.5 |
Change in tax rate, tax benefit |  | 2.0 |
Change in tax rate, change in deferred tax assets |  | 734.9 |
Change in tax rate, operating loss carryforwards |  | 117.7 |
Increase (decrease) in deferred tax asset valuation allowances | 23.2 | (712.9) | $ (77.5)
Portion of unrecognized tax benefits, if recognized, would impact the effective tax rate | 9.9 |  |
Portion of unrecognized tax benefits, if recognized, would impact the valuation allowance | 41.0 |  |
Accrued interest and penalties related to unrecognized tax benefits | 3.7 | $ 1.9 | $ 1.8
Increase in accrued interest and penalties related to unrecognized tax benefits | 1.8 |  |
Federal |  |  |
Net operating loss carryforwards |  |  |
Operating loss carryforwards | 5,126.6 |  |
Research and other tax credit carryforwards | 111.4 |  |
State |  |  |
Net operating loss carryforwards |  |  |
Operating loss carryforwards | 722.1 |  |
Research and other tax credit carryforwards | 51.5 |  |
Foreign |  |  |
Net operating loss carryforwards |  |  |
Operating loss carryforwards | 603.5 |  |
Research and other tax credit carryforwards | $ 1.2 |  |

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