Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Nov. 28, 2020	Nov. 30, 2019	Nov. 24, 2018
Operating activities:
Net income (loss)	$ (10,421)	$ (1,928)	$ 8,218
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	13,480	13,500	13,203
Goodwill, Impairment Loss	1,971	1,926	0
Non-cash asset impairment charges	12,184	4,431	469
Non-cash portion of lease exit costs	0	149	301
Bad debt valuation charges	492	61	339
Net (gain) loss on disposals of property and equipment	(81)	515	(234)
Gains on lease modifications	(1,313)	0	0
Inventory valuation charges	4,922	2,254	2,309
Deferred income taxes	2,513	(2,890)	4,663
Other, net	(51)	1,497	2,607
Changes in operating assets and liabilities
Accounts receivable	(1,454)	(2,616)	1,393
Inventories	6,494	(5,196)	(8,307)
Other current and long-term assets	(9,325)	1,017	(961)
Right of use assets under operating leases	32,107	0	0
Customer deposits	14,421	(1,816)	50
Accounts payable and accrued liabilities	5,965	(1,095)	5,857
Obligations under operating leases	(35,229)	0	0
Net cash provided by operating activities	36,675	9,809	29,907
Investing activities:
Purchases of property and equipment	(6,029)	(17,375)	(18,301)
Proceeds from sales of property and equipment	2,345	1,643	2,689
Cash paid for business acquisitions, net of cash acquired	0	0	(15,556)
Puchases of investments	(295)	0	0
Proceeds from maturities of investments	16	5,207	482
Other	216	(648)	(1,287)
Net cash used in investing activities	(3,747)	(11,173)	(31,973)
Financing activities:
Cash dividends	(4,544)	(5,133)	(8,800)
Proceeds from exercise of stock options	0	25	27
Issuance of common stock	285	328	355
Repurchases of common stock	(2,208)	(7,345)	(5,946)
Taxes paid related to net share settlement of equity awards	(228)	0	(674)
Repayment of finance lease obligations	(121)	0	0
Payments on notes and equipment loans	0	(292)	(3,377)
Net cash used in financing activities	(6,816)	(12,417)	(18,415)
Change in cash and cash equivalents	26,112	(13,781)	(20,481)
Cash and cash equivalents - beginning of year	19,687	33,468	53,949
Cash and cash equivalents - end of year	$ 45,799	$ 19,687	$ 33,468