Accounts Receivable (Details) $ in Thousands	12 Months Ended
	Dec. 29, 2019 USD ($) Customer	Dec. 30, 2018 USD ($) Customer	Dec. 31, 2017 USD ($)
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period	$ 2,109	$ 1,785	$ 1,010
Additions charged to expense	78	676	793
Deductions	(435)	(352)	(18)
Balance at end of period	$ 1,752	$ 2,109	$ 1,785
Accounts Receivable | Customer Concentration Risk
Accounts, Notes, Loans and Financing Receivable [Line Items]
Concentration risk, customers | Customer	10	10
Concentration risk, percent (greater than for Home Depot and Lowe's)	44.90%	54.60%
The Home Depot, Inc. | Accounts Receivable | Customer Concentration Risk
Accounts, Notes, Loans and Financing Receivable [Line Items]
Concentration risk, percent (greater than for Home Depot and Lowe's)	10.00%	10.00%