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Acquisitions and Dispositions - Narrative (Details) - USD ($) $ in Millions |  |  |  |  | 3 Months Ended | 9 Months Ended |
--- | --- | --- | --- | --- | --- | --- | ---
Sep. 02, 2021 | Jan. 29, 2021 | Aug. 03, 2020 | Jan. 17, 2020 | Sep. 25, 2021 | Jun. 26, 2021 | Mar. 27, 2021 | Sep. 25, 2021 | Sep. 26, 2020 | Jul. 28, 2021
Die-Mold | Disposal Group, Disposed of by Sale, Not Discontinued Operations |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Consideration for sale of businesses | $ 24.0 |  |  |  |  |  |  |  |  |
Net sales of disposed of business |  |  |  |  |  |  |  | $ 10.9 | $ 10.4 |
Net income of disposed business |  |  |  |  |  |  |  | 1.6 | 1.4 |
Gain (loss) on disposal of businesses | $ 4.7 |  |  |  |  |  |  |  |  |
Fabricated Tube Products and Shoals Tubular, Inc. | Disposal Group, Disposed of by Sale, Not Discontinued Operations |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Consideration for sale of businesses |  |  |  |  |  |  |  |  |  | $ 78.2
Net sales of disposed of business |  |  |  |  |  |  |  | 37.0 | 38.3 |
Net income of disposed business |  |  |  |  |  |  |  | 5.5 | $ 4.8 |
Assets of disposed business |  |  |  |  |  |  |  |  |  | 31.7
Liabilities of disposed business |  |  |  |  |  |  |  |  |  | $ 3.6
Gain (loss) on disposal of businesses |  |  |  |  |  |  |  | $ 50.1 |  |
Hart & Cooley Flexible Duct Business |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Consideration transferred net of working capital adjustments |  | $ 15.3 |  |  |  |  |  |  |  |
Cash portion of acquisition price |  | 14.0 |  |  |  |  |  |  |  |
Payment for contingent consideration |  | 1.3 |  |  |  |  |  |  |  |
Fair value of assets acquired |  | 15.3 |  |  |  |  |  |  |  |
Fair value of property, plant and equipment acquired |  | 10.8 |  |  |  |  |  |  |  |
Fair value of inventories acquired |  | 4.5 |  |  |  |  |  |  |  |
Tax-deductible goodwill |  | $ 0.1 |  |  |  |  |  |  |  |
Increase (decrease) in property plant and equipment |  |  |  |  | $ 2.4 |  |  |  |  |
Increase (decrease) in goodwill |  |  |  |  | 1.0 |  |  |  |  |
Recognition of contingent consideration |  |  |  |  | $ 1.4 |  |  |  |  |
Wieland-Kessler LLC |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Consideration transferred net of working capital adjustments |  |  | $ 57.2 |  |  |  |  |  |  |
Fair value of assets acquired |  |  | 27.3 |  |  |  |  |  |  |
Tax-deductible goodwill |  |  | $ 29.9 |  |  |  |  |  |  |
Increase (decrease) in property plant and equipment |  |  |  |  |  | $ (1.4) |  |  |  |
Increase (decrease) in goodwill |  |  |  |  |  | $ 1.4 | $ (1.5) |  |  |
Increase in intangible assets |  |  |  |  |  |  | $ 1.5 |  |  |
Shoals Tubular, Inc. |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Consideration transferred net of working capital adjustments |  |  |  | $ 15.3 |  |  |  |  |  |
Cash portion of acquisition price |  |  |  | 15.3 |  |  |  |  |  |
Fair value of assets acquired |  |  |  | 6.2 |  |  |  |  |  |
Fair value of property, plant and equipment acquired |  |  |  | 3.7 |  |  |  |  |  |
Fair value of inventories acquired |  |  |  | 1.8 |  |  |  |  |  |
Tax-deductible goodwill |  |  |  | 9.3 |  |  |  |  |  |
Fair value of accounts receivable acquired |  |  |  | 0.7 |  |  |  |  |  |
Fair value of liabilities acquired |  |  |  | $ 0.2 |  |  |  |  |  |
Retail Distribution Business |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Ownership interest acquired (as a percent) | 17.00% |  |  |  |  |  |  |  |  |

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