Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Aug. 28, 2021	Aug. 29, 2020
Operating activities:
Net income (loss)	$ 13,001	$ (16,964)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization	10,458	10,249
Gain on lease modification	0	(152)
Asset impairment charges	0	12,184
Goodwill impairment charge	0	1,971
Inventory valuation charges	1,975	3,814
Bad debt valuation charges (recoveries)	(145)	727
Deferred income taxes	1,053	(708)
Other, net	410	188
Changes in operating assets and liabilities:
Accounts receivable	(4,184)	1,552
Inventories	(20,916)	3,887
Other current assets	(100)	(8,898)
Right of use assets under operating leases	18,857	24,338
Customer deposits	11,341	10,380
Accounts payable and other liabilities	2,750	1,379
Obligations under operating leases	(20,823)	(26,464)
Net cash provided by operating activities	13,677	17,483
Investing activities:
Purchases of property and equipment	(7,141)	(2,214)
Proceeds from sales of property and equipment	101	2,345
Purchases of investments	0	(241)
Proceeds from maturities of investments	0	16
Other	(1,173)	(1,107)
Net cash used in investing activities	(8,213)	(1,201)
Financing activities:
Cash dividends	(6,321)	(3,306)
Proceeds from the exercise of stock options	42	0
Other issuance of common stock	266	217
Repurchases of common stock	(5,566)	(1,542)
Taxes paid related to net share settlement of equity awards	(219)	(214)
Repayments of finance lease obligations	(854)	(95)
Net cash used in financing activities	(12,652)	(4,940)
Change in cash and cash equivalents	(7,188)	11,342
Cash and cash equivalents - beginning of period	45,799	19,687
Cash and cash equivalents - end of period	$ 38,611	$ 31,029