Schedule II - Valuation and Qualifying Accounts - Valuation and Qualifying Accounts (Details) - USD ($)		12 Months Ended
		Mar. 03, 2019	Feb. 25, 2018	Feb. 26, 2017
SEC Schedule, 12-09, Valuation Allowance, Deferred Tax Asset [Member]
Balance		$ 2,981,000	$ 2,982,000	$ 2,982,000
Costs and expenses
Other
Reductions		(226,000)	(1,000)
Balance		2,755,000	2,981,000	2,982,000
SEC Schedule, 12-09, Allowance, Credit Loss [Member]
Balance		32,000	32,000	32,000
Costs and expenses
Balance		32,000	32,000	32,000
Accounts written off	[1]
Translation adjustment

[1] Uncollectible amounts, net of recoveries