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Income Taxes - Additional Information (Detail) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 26, 2020 | Jun. 28, 2019 | Jun. 26, 2020 | Jun. 28, 2019 | Mar. 27, 2020
Income Tax Contingency [Line Items] |  |  |  |  |
Effective income tax rate | (11.40%) | (6.30%) | (6.60%) | (1.70%) |
Federal statutory income tax rate |  |  | 21.00% | 21.00% |
Unrecognized Tax Benefits | $ 17.0 |  | $ 17.0 |  |
Unrecognized tax benefits that would impact the provision for income taxes | $ 15.7 |  | $ 15.7 |  |
Alternative Minimum Tax Credit Refund |  |  |  |  | $ 0.5
One foreign subsidiary |  |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |  |
One-time benefit due to valuation allowance release |  |  |  | $ 0.8 |

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