Income Taxes (Schedule Of Deferred Tax Assets And Liabilities) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 03, 2013	Feb. 26, 2012
Income Taxes [Abstract]
Impairment of fixed assets	$ 5,813	$ 6,035
Net operating loss carryforwards	11,917	9,753
Tax credits carryforwards	1,343	2,019
Other, net	369	2,220
Total deferred tax assets	19,442	20,027
Valuation allowance for deferred tax assets	(12,465)	(11,661)
Net deferred tax assets	6,977	8,366
Depreciation	(468)	(741)
Offshore Singapore earnings subject to local tax	(344)	(321)
Total deferred tax liabilities	(812)	(1,062)
Net deferred tax	$ 6,165	$ 7,304