Income Taxes (Details Textual) (USD $) In Millions, unless otherwise specified	3 Months Ended	12 Months Ended
	May 31, 2014	Mar. 01, 2014	Mar. 02, 2013
Operating Loss Carryforwards, Valuation Allowance, Total	$ 60.1	$ 59.9	$ 83.7
Valuation Allowance, Deferred Tax Asset, Change in Amount	$ 0.2	$ 23.8