Note 7 - Provision for Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Feb. 25, 2017	Feb. 27, 2016
Deferred tax assets:
Inventories	$ 33,120	$ 30,470
Deferred rent and other rent credits	73,577	74,182
Insurance	60,789	51,238
Stock-based compensation	41,715	39,417
Nonqualified deferred compensation plan	27,857	21,688
Merchandise credits and gift card liabilities	63,031	66,496
Accrued expenses	57,401	46,226
Obligations on distribution facilities	40,363	40,704
Net operating loss carryforwards and other tax credits	18,186	22,253
Other	84,232	69,088
Deferred tax liabilities:
Depreciation	(137,144)	(104,781)
Goodwill	(69,127)	(62,252)
Intangibles	(82,688)	(81,150)
Other	(15,843)	(14,525)
Total Deferred Taxes	$ 195,469	$ 199,054