Commitments and Contingencies (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 29, 2019	Jun. 30, 2018	Jun. 29, 2019	Jun. 30, 2018
Loss Contingencies [Line Items]
Settlement of class action litigation	$ 0	$ 1,514	$ 0	$ 1,514
The Water Works and Sewer Board of the City of Gadsden [Member]
Loss Contingencies [Line Items]
Loss Contingency, Damages Sought, Value			10
The Water Works and Sewer Board of the Town of Centre [Member]
Loss Contingencies [Line Items]
Loss Contingency, Damages Sought, Value			10
Carlos Garcia V. Fabric International [Member]
Loss Contingencies [Line Items]
Settlement of class action litigation			1,514
Robert Bridgeman [Member]
Loss Contingencies [Line Items]
Loss Contingency, Damages Sought, Value			50
The Canyons Grand Summit Resort Hotel Owners Association, Inc [Member]
Loss Contingencies [Line Items]
Loss Contingency, Damages Sought, Value			$ 500