Debt - ABL Facility (Details)	12 Months Ended
	Dec. 28, 2019 USD ($)
Debt Instrument [Line Items]
Fixed charge ratio	1.0
Maximum | ABL Facility
Debt Instrument [Line Items]
Description of threshold with lenders' commitments (as a percent)	10.00%
Facility amount with lenders commitments	$ 22,500,000
S&D Disposition | ABL Facility
Debt Instrument [Line Items]
Facility amount with lenders commitments	$ 13,500,000