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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