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Income Taxes - Additional Information (Detail) - USD ($) $ in Millions | 12 Months Ended |  |
--- | --- | --- | ---
Jun. 26, 2021 | Jun. 27, 2020 | Jun. 29, 2019 | Jun. 30, 2018 | Jun. 28, 2020 | Jul. 01, 2019
Income Tax Disclosure [Line Items] |  |  |  |  |  |
Net deferred tax assets | $ 1.2 | $ 28.7 |  |  |  |
Valuation allowance | 32.6 | 33.3 |  |  |  |
Net decrease in valuation allowance | 0.7 |  |  |  |  |
Deferred tax liabilities | 3.5 |  |  |  |  |
Accumulated foreign earnings | 2.1 |  |  |  |  |
Gross unrecognized tax benefits | 22.6 | 20.1 | $ 18.9 | $ 24.8 | $ 20.1 | $ 18.9
Gross unrecognized tax benefits increased during the year |  | 2.5 |  |  |  |
Unrecognized tax benefit, reduction of effective tax rate if recognized |  | 14.3 |  |  |  |
Increase (decrease) in interest and penalties accrued related to unrecognized tax benefits | 0.2 |  | $ 0.7 |  |  |
Interest and penalties accrued related to unrecognized tax benefits | 1.7 | 1.9 |  |  |  |
Estimated decrease in unrecognized tax benefit in next 12 months | 3.4 |  |  |  |  |
Estimated increase in unrecognized tax benefit in next 12 months | 3.0 |  |  |  |  |
Federal [Member] |  |  |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |  |  |
Net operating loss carryforwards | 0.5 |  |  |  |  |
Tax credit carryforward, amount | 16.2 |  |  |  |  |
State and Local Jurisdiction [Member] |  |  |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |  |  |
Net operating loss carryforwards | 4.8 |  |  |  |  |
Net operating loss, beginning of expiration period |  |  |  | 2033 |  |
Tax credit carryforward, amount | 47.0 |  |  |  |  |
Foreign [Member] |  |  |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |  |  |
Net operating loss carryforwards | 30.6 |  |  |  |  |
Other Assets [Member] |  |  |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |  |  |
Net deferred tax assets | $ 1.2 | $ 28.7 |  |  |  |

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