Long-Term Debt and Credit Arrangements (Term Loans) (Details) - USD ($) $ in Thousands	Oct. 29, 2020	Oct. 28, 2020
AmeriState Bank
Debt Disclosure [Line Items]
Secured debt other term loans		$ 10,000
Long-term debt, term		25 years
Debt instrument, interest rate, stated percentage		5.00%
Interest rate for first five years (in percent)		4.00%
Interest rate, period		5 years
Interest rate after five years (in percent)		3.50%
Greater Nevada Credit Union
Debt Disclosure [Line Items]
Secured debt other term loans	$ 15,000
Long-term debt, term	10 years
Debt instrument, interest rate, stated percentage	5.00%
Interest rate for first five years (in percent)	4.00%
Interest rate, period	5 years
Interest rate after five years (in percent)	3.50%
Interest only term	3 years
Principal and interest term	7 years