Condensed Consolidated Statements of Income and Retained Earnings (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Aug. 25, 2018	Aug. 26, 2017	Aug. 25, 2018	Aug. 26, 2017
Sales revenue:
Sales revenues	$ 112,956	$ 114,261	$ 340,208	$ 334,278
Cost of furniture and accessories sold	44,821	45,320	133,750	132,199
Selling, general and administrative expenses excluding new store pre-opening costs	63,279	61,373	192,986	180,972
New store pre-opening costs	532	308	1,435	1,583
Income from operations	4,324	7,260	12,037	19,524
Gain on sale of investment				3,267
Impairment of investment in real estate				(1,084)
Other loss, net	(492)	(583)	(1,352)	(1,994)
Income before income taxes	3,832	6,677	10,685	19,713
Income tax expense	887	2,098	4,364	6,431
Net income	2,945	4,579	6,321	13,282
Retained earnings-beginning of period	140,934	135,947	139,378	129,388
Reclassification of certain tax effects from accumulated other comprehensive loss			545
Purchase and retirement of common stock	(1,036)		(1,036)
Cash dividends	(1,338)	(1,181)	(3,703)	(3,325)
Retained earnings-end of period	$ 141,505	$ 139,345	$ 141,505	$ 139,345
Basic earnings per share (in dollars per share)	$ 0.28	$ 0.43	$ 0.59	$ 1.25
Diluted earnings per share (in dollars per share)	0.28	0.43	0.59	1.24
Dividends per share (in dollars per share)	$ 0.125	$ 0.11	$ 0.345	$ 0.31
Furniture and Accessories [Member]
Sales revenue:
Sales revenues	$ 99,807	$ 100,152	$ 298,605	$ 294,144
Logistical Services [Member]
Sales revenue:
Sales revenues	$ 13,149	$ 14,109	$ 41,603	$ 40,134