Acquisitions and Dispositions - Schedule of Intangible Assets Identified (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 26, 2020	Aug. 03, 2020	Jan. 17, 2020
Kessler
Business Acquisition [Line Items]
Intangible assets		$ 16,600
Shoals
Business Acquisition [Line Items]
Intangible assets			$ 7,480
Customer relationships
Business Acquisition [Line Items]
Intangible assets, useful life	20 years
Customer relationships | Kessler
Business Acquisition [Line Items]
Intangible assets		12,640
Customer relationships | Shoals
Business Acquisition [Line Items]
Intangible assets			4,290
Non-compete agreements | Kessler
Business Acquisition [Line Items]
Intangible assets		0
Non-compete agreements | Shoals
Business Acquisition [Line Items]
Intangible assets			150
Patents and technology | Kessler
Business Acquisition [Line Items]
Intangible assets		0
Patents and technology | Shoals
Business Acquisition [Line Items]
Intangible assets			2,620
Trade names and licenses | Kessler
Business Acquisition [Line Items]
Intangible assets		$ 3,960
Trade names and licenses | Shoals
Business Acquisition [Line Items]
Intangible assets			$ 420
Minimum | Non-compete agreements
Business Acquisition [Line Items]
Intangible assets, useful life	3 years
Minimum | Patents and technology
Business Acquisition [Line Items]
Intangible assets, useful life	10 years
Minimum | Trade names and licenses
Business Acquisition [Line Items]
Intangible assets, useful life	5 years
Maximum | Non-compete agreements
Business Acquisition [Line Items]
Intangible assets, useful life	5 years
Maximum | Patents and technology
Business Acquisition [Line Items]
Intangible assets, useful life	15 years
Maximum | Trade names and licenses
Business Acquisition [Line Items]
Intangible assets, useful life	10 years