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Acquisitions (Details) $ in Millions |  | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Jul. 26, 2021 USD ($) | Oct. 03, 2021 USD ($) | Sep. 27, 2020 USD ($) | Oct. 03, 2021 USD ($) | Sep. 27, 2020 USD ($) | Dec. 31, 2020 USD ($) Employee
Business Combination [Abstract] |  |  |  |  |  |  |  |  |
Acquisition of business |  |  |  |  | $ 186.9 |  | $ 9.2 |  |
Preliminary Purchase Price Allocation [Abstract] |  |  |  |  |  |  |  |  |
Goodwill |  | $ 909.8 | [1] |  | $ 909.8 | [1] |  | $ 808.5 | [2]
Estimated useful life of intangible assets acquired |  |  |  |  | 31 years |  |  |  |
Acquisition-related costs |  | 1.5 |  | $ 0.0 | $ 1.9 |  | $ 0.0 |  |
Normerica [Member] |  |  |  |  |  |  |  |  |
Business Combination [Abstract] |  |  |  |  |  |  |  |  |
Acquisition of business | $ 188.0 |  |  |  |  |  |  |  |
Number of employees | Employee |  |  |  |  |  |  |  | 300 |
Revenue |  |  |  |  |  |  |  | $ 140.0 |
Total consideration transferred, net of cash acquired | 186.9 |  |  |  |  |  |  |  |
Preliminary Purchase Price Allocation [Abstract] |  |  |  |  |  |  |  |  |
Accounts receivable | 8.4 |  |  |  |  |  |  |  |
Inventories | 5.1 |  |  |  |  |  |  |  |
Other current assets | 1.4 |  |  |  |  |  |  |  |
Property, plant and equipment | 21.2 |  |  |  |  |  |  |  |
Goodwill | 106.0 |  |  |  |  |  |  |  |
Intangible assets | 67.0 |  |  |  |  |  |  |  |
Total assets acquired | 209.1 |  |  |  |  |  |  |  |
Accounts payable | 12.8 |  |  |  |  |  |  |  |
Accrued expenses | 9.4 |  |  |  |  |  |  |  |
Total liabilities assumed | 22.2 |  |  |  |  |  |  |  |
Net assets acquired | $ 186.9 |  |  |  |  |  |  |  |
Acquisition-related costs |  | $ 1.5 |  |  | $ 1.9 |  |  |  |
Normerica [Member] | Trade Names [Member] |  |  |  |  |  |  |  |  |
Preliminary Purchase Price Allocation [Abstract] |  |  |  |  |  |  |  |  |
Estimated useful life of intangible assets acquired |  |  |  |  | 20 years |  |  |  |
Normerica [Member] | Customer Relationships [Member] |  |  |  |  |  |  |  |  |
Preliminary Purchase Price Allocation [Abstract] |  |  |  |  |  |  |  |  |
Estimated useful life of intangible assets acquired |  |  |  |  | 20 years |  |  |  |
Assets of Mining and Hauling Company in Western United States [Member] |  |  |  |  |  |  |  |  |
Acquisitions [Abstract] |  |  |  |  |  |  |  |  |
Acquisition of assets |  |  |  | $ 9.2 |  |  |  |  |
[1] | Unaudited
[2] | Condensed from audited financial statements

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