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Restructuring Charges (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended			3 Months Ended	12 Months Ended
	Mar. 03, 2013	Mar. 06, 2005	Mar. 03, 2013 Nelco Technology (Zhuhai FTZ) Ltd. [Member]	Feb. 26, 2012 Park Advanced Composite Materials, Inc. [Member]	Mar. 03, 2013 Park Advanced Composite Materials, Inc. [Member]	Mar. 03, 2013 Neltec Europe SAS [Member]	Feb. 26, 2012 Neltec Europe SAS [Member]	Mar. 03, 2013 Neltec Europe SAS [Member] Scenario, Forecast [Member]
Business closure expense			$ 2,730	$ 1,250
Impairment of assets			3,620	928
Non-cash cumulative currency translation adjustment			1,465
Real estate property, at carrying value			1,890
Amount paid on obligation			209		1,091	1,133
Restructuring costs incurred during the period					820	153
Remaining obligations and potential liabilities							1,187	207
Charges for employment termination benefits		1,258
Lease and other obligations		7,292
Lease payments against lease obligation	$ 448