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Acquisitions - Narrative (Details) - USD ($) $ in Thousands |  |  |  |  | 5 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | --- | ---
Aug. 03, 2020 | Jan. 17, 2020 | Jul. 02, 2018 | Mar. 31, 2018 | Dec. 26, 2020 | Dec. 26, 2020 | Dec. 28, 2019 | Dec. 29, 2018
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Cash paid for acquisition |  |  |  |  |  | $ 72,648 | $ (3,465) | $ 167,677
Wieland-Kessler LLC Asset Acquisition [Member] |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Asset acquisition, cash paid | $ 57,200 |  |  |  |  |  |  |
Asset acquisition, revenue from acquiree |  |  |  |  | $ 55,000 |  |  |
Total consideration paid | 57,233 |  |  |  |  |  |  |
Net assets acquired | $ 57,233 |  |  |  |  |  |  |
Shoals Tubular, Inc. [Member] |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Total consideration paid |  | $ 15,415 |  |  |  |  |  |
Net assets acquired |  | $ 15,415 |  |  |  |  |  |
ATCO Rubber Product [Member] |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Total consideration paid |  |  | $ 158,100 |  |  |  |  |
Cash paid for acquisition |  |  | 151,800 |  |  |  |  |
Contingent consideration, range of outcomes, high |  |  | 12,000 |  |  |  |  |
Revenues of acquired company |  |  |  |  |  | $ 196,500 | $ 190,100 |
Net sales since acquisition |  |  |  |  |  |  |  | $ 90,000
Net assets acquired |  |  | $ 158,100 |  |  |  |  |
Die-Mold [Member] |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Total consideration paid |  |  |  | $ 13,629 |  |  |  |
Contingent consideration, range of outcomes, high |  |  |  | 2,300 |  |  |  |
Net assets acquired |  |  |  | 13,629 |  |  |  |
Cash paid for acquisition |  |  |  | $ 12,400 |  |  |  |

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