Inventories (Schedule Of Inventories) (Details) (USD $) In Thousands, unless otherwise specified	Nov. 25, 2012	Feb. 26, 2012
Inventories [Abstract]
Raw materials	$ 8,944	$ 8,774
Work-in-progress	2,574	2,632
Finished goods	4,088	4,097
Manufacturing supplies	293	320
Inventory	$ 15,899	$ 15,823	[1]

[1] The balance sheet at February 26, 2012 has been derived from the audited financial statements at that date.