Note 3 - Other Balance Sheet Data (Details) - USD ($) $ in Thousands	Feb. 28, 2016	Mar. 01, 2015
Land, Buildings and Improvements [Member]
Property, plant and equipment:
Land, buildings and improvements	$ 39,915	$ 42,019
Machinery, Equipment, Furniture and Fixtures [Member]
Property, plant and equipment:
Land, buildings and improvements	130,143	130,585
Raw materials	5,462	7,376
Work-in-process	2,215	3,114
Finished goods	2,172	3,605
Manufacturing supplies	365	344
	10,214	14,439
Land, buildings and improvements	170,058	172,604
Less: accumulated depreciation and amortization	148,546	146,067
	21,512	26,537
Goodwill and other intangible assets:
Goodwill	9,776	9,776
Other intangibles	57	64
	9,833	9,840
Accrued liabilities:
Payroll and payroll related	2,078	2,117
Employee benefits	279	262
Workers' compensation	241	300
Professional fees	762	671
Restructuring (Note 8)	64	182
Other	1,156	1,235
	$ 4,580	$ 4,767