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Basis of Presentation and Business - Additional information (Detail) | 3 Months Ended |
--- | --- | ---
Jun. 27, 2020 USD ($) Facility Center | Mar. 28, 2020 USD ($)
Organization And Business Operations [Line Items] |  |
Retained earnings (accumulated deficit) | $ 11,610,000 | $ (48,000)
Trade accounts receivable, net | 43,412,000 | 45,733,000
Accounting Standards Update 2016-13 [Member] |  |
Organization And Business Operations [Line Items] |  |
Trade accounts receivable, net | 300,000 | 400,000
Other notes receivable net of reserves | 900,000 | $ 500,000
Changes in expected credit losses | 0 |
Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] |  |
Organization And Business Operations [Line Items] |  |
Retained earnings (accumulated deficit) | 200,000 |
COVID-19 |  |
Organization And Business Operations [Line Items] |  |
CARES act subsidies recognized | 600,000 |
Deferred payroll taxes paid | 3,600,000 |
CEWS payroll subsidies recognized | 3,600,000 |
CEWS subsidies received | $ 1,700,000 |
U.S [Member] |  |
Organization And Business Operations [Line Items] |  |
Number of manufacturing facilities | Facility | 33 |
Number of sales centers | Center | 21 |
Canada [Member] |  |
Organization And Business Operations [Line Items] |  |
Number of manufacturing facilities | Facility | 5 |

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