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Revenue Recognition (Details) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jul. 02, 2022 USD ($) day | Jul. 03, 2021 USD ($) | Jul. 02, 2022 USD ($) day | Jul. 03, 2021 USD ($)
Disaggregation of Revenue [Line Items] |  |  |  |
Standard terms of payment, number of days | day | 10 |  | 10 |
Net sales | $ 1,239,379 | $ 1,307,913 | $ 2,541,684 | $ 2,333,382
Warehouse and reload |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 1,020,341 | 1,062,149 | 2,098,287 | 1,911,569
Direct |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 240,235 | 265,280 | 486,887 | 456,409
Customer discounts and rebates |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | (21,197) | (19,516) | (43,490) | (34,596)
Specialty products |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 787,860 | 675,189 | 1,555,767 | 1,237,811
Structural products |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | $ 451,519 | $ 632,724 | $ 985,917 | $ 1,095,571

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