Summary of Significant Accounting Policies and Related Data Inventory Adjustment (Details) (USD $) In Thousands, unless otherwise specified	Feb. 28, 2015	Mar. 01, 2014
Inventory, Net	$ 61,408	$ 53,435	[1]
Deferred Tax Assets, Net of Valuation Allowance, Current	1,359	2,714
Deferred Tax Liabilities, Net, Noncurrent	10,652	8,567
Retained Earnings (Accumulated Deficit)	256,538	228,841
Scenario, Previously Reported [Member]
Inventory, Net		47,982
Deferred Tax Assets, Net of Valuation Allowance, Current		3,529
Deferred Tax Liabilities, Net, Noncurrent		7,403
Retained Earnings (Accumulated Deficit)		225,367
Scenario, Adjustment [Member] | LIFO to FIFO Adjustment [Member]
Inventory, Net		5,453
Deferred Tax Assets, Net of Valuation Allowance, Current		(815)
Deferred Tax Liabilities, Net, Noncurrent		1,164
Retained Earnings (Accumulated Deficit)		$ 3,474

[1] During the fourth quarter of fiscal 2015, the Company changed its method of accounting for those inventories which were accounted for under the LIFO method to the FIFO method. See Note 1 for discussion of this accounting change and its related impact.