Note 12 - Contingencies (Details Textual)	12 Months Ended
	Feb. 28, 2016 USD ($)	Mar. 01, 2015 USD ($)	Mar. 02, 2014 USD ($)	Nov. 29, 2015 USD ($)
Accrual for Environmental Loss Contingencies		$ 0		$ 0
Number of Insurance Carriers	3
Number of Sites of Company or Subsidiaries That Have Been Named for Potential Environmental Remediation Liability	4
Percentage of Legal Defense and Remediation Costs Associated with Sites Reimbursed by Insurance Carriers	100.00%
Number of Units Covered Under General Liability Insurance Coverage	3
Litigation Settlement, Expense	$ 2	$ 23	$ 12