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Restructuring - Additional Information (Detail) $ in Thousands | 3 Months Ended | 6 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Jun. 27, 2020 USD ($) | Jun. 27, 2020 USD ($) Employee | Jun. 29, 2019 USD ($) | Dec. 28, 2019 USD ($) | Mar. 28, 2020 USD ($)
Restructuring Cost And Reserve [Line Items] |  |  |  |  |
Percentage of reduction in headcount | 27.00% |  |  |  |
Number of majority employee | Employee |  | 13 |  |  |
Expenses |  | $ 11,209 | $ 6,331 |  |
Expenses, after tax |  | 8,325 | 4,727 |  |
Anticipates recording additional expenses in connection with restructuring | $ 2,800 | 2,800 |  |  |
Payments for expenses |  | 3,667 |  | $ 5,077 |
Provisions |  |  |  | $ 83 |
Restructuring remaining liability | 7,542 | 7,542 |  |  |
Revision in estimates | 14,000 | 14,000 |  |  | $ 12,000
Fiscal 2019 |  |  |  |  |
Restructuring Cost And Reserve [Line Items] |  |  |  |  |
Payments for expenses |  | 1,049 |  |  |
Provisions |  | 76 |  |  |
Restructuring remaining liability | $ 46 | 46 |  |  |
Cost of Revenues |  |  |  |  |
Restructuring Cost And Reserve [Line Items] |  |  |  |  |
Expenses |  | 6,503 | 1,425 |  |
Selling, General and Administrative Expenses |  |  |  |  |
Restructuring Cost And Reserve [Line Items] |  |  |  |  |
Expenses |  | $ 4,706 | $ 4,906 |  |

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