Subsequent Event Revolving Credit Facility (Details) - Amended Revolving Credit Facility [Member] $ in Thousands	3 Months Ended	9 Months Ended
	Dec. 28, 2019 USD ($)	Sep. 28, 2019 USD ($)
Subsequent Event [Line Items]
Maximum Borrowing Capacity		$ 150,000
Line of Credit Facility, Amended Minimum Borrowing Capacity for No Financial Covenants		16,500
Current Borrowing Capacity Accessible to the Company		$ 8,094
Subsequent Event [Member]
Subsequent Event [Line Items]
Maximum Borrowing Capacity	$ 120,000
Line of Credit Facility, Amended Minimum Borrowing Capacity for No Financial Covenants	15,000
Proceeds from Sale of Buildings	37,195
Gains (Losses) on Sales of Other Real Estate	25,000
Current Borrowing Capacity Accessible to the Company	22,047
Repayments of Lines of Credit	36,361
Maximum [Member] | Subsequent Event [Member]
Subsequent Event [Line Items]
Line of Credit Facility, Increase (Decrease), Other, Net	5,000
Line of Credit Facility, Amended Minimum Borrowing Capacity for No Financial Covenants, After Amendment Thirteen	20,000
Median [Member] | Subsequent Event [Member]
Subsequent Event [Line Items]
Line of Credit Facility, Increase (Decrease), Other, Net	2,500
Minimum [Member]
Subsequent Event [Line Items]
Fixed Charge Coverage Ratio		1.1
Minimum [Member] | Subsequent Event [Member]
Subsequent Event [Line Items]
Line of Credit Facility, Increase (Decrease), Other, Net	$ 0
Fixed Charge Coverage Ratio	1.1