Contingencies (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Jun. 02, 2013 item site	May 27, 2012
Site Contingency [Line Items]
Number of sites of the company or subsidiaries that have been named for potential environmental remediation liability	4
Number of sites covered under general liability insurance coverage	3
Number of insurance carriers that have filed answers to the lawsuit	3
Number of insurance carriers that have asserted counter claims to the lawsuit	1
Percentage of legal defense and remediation costs associated with sites reimbursed by insurance carriers	100.00%
Total costs incurred including legal fees in connection with sites	$ 21	$ 10
Subsidiaries [Member]
Site Contingency [Line Items]
Number of sites of the company or subsidiaries that have been named for potential environmental remediation liability	1
Insurance Carrier One [Member]
Site Contingency [Line Items]
Number of insurance carriers	1
Percentage of legal defense and remediation costs associated with sites reimbursed by insurance carriers	45.00%