Commitments (Narrative) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Mar. 03, 2013	Feb. 26, 2012	Feb. 27, 2011
Long-term Purchase Commitment [Line Items]
Rental expense	$ 3,068	$ 3,734	$ 3,067
Inventories [Member]
Long-term Purchase Commitment [Line Items]
Long-term Purchase Commitment, Amount	1,379
Capital Addition Purchase Commitments [Member]
Long-term Purchase Commitment [Line Items]
Long-term Purchase Commitment, Amount	$ 456
Facilities[Member] | Maximum [Member]
Long-term Purchase Commitment [Line Items]
Term of lease contracts	10 years