Foreign currency forward contracts (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Mar. 01, 2014 item	Mar. 02, 2013
Foreign currency forward contracts
Purchase of inventory from use of forward contracts in Swedish krona (as a percent)	0.64	0.85
Minimum term period of currency-related hedge instruments	1 month
Maximum term period of currency-related hedge instruments	12 months
Number of unsettled foreign currency forward contracts	0
Total current assets, as a result of recording fair value of unsettled foreign currency forward contracts as cash flow hedges		$ 1,103
Unrealized gains that have been recorded for settled forward contracts related to inventory on hand	53
Unrealized gains to be reclassified into earnings over the next 12 months	$ 53