Customer And Supplier Concentrations	12 Months Ended
Feb. 26, 2012
Customer And Supplier Concentrations [Abstract]
Customer And Supplier Concentrations	17. CUSTOMER AND SUPPLIER CONCENTRATIONS a. *Customers* - Sales to TTM Technologies Inc. were 15.7%, 16.4% and 11.3% of the Company's total worldwide sales for fiscal years 2012, 2011 and 2010, respectively. Sales to Sanmina-SCI Corporation were 11.5%, 14.6% and 13.7% of the Company's total worldwide sales for fiscal years 2012, 2011 and 2010, respectively. Sales to subsidiaries of Flextronics International, Ltd. were 10.0% and 10.2%, of the Company's total worldwide sales for fiscal years 2012 and 2011, respectively. While no other customer accounted for 10% or more of the Company's total worldwide sales in fiscal years 2012, 2011 or 2010, and the Company is not dependent on any single customer, the loss of a major printed circuit materials customer or of a group of customers could have a material adverse effect on the Company's business or consolidated results of operations or financial position. b. *Sources of Supply* - The principal materials used in the manufacture of the Company's high-technology printed circuit materials and advanced composite materials, parts and assemblies are specially manufactured copper foil, fiberglass cloth and synthetic reinforcements, and specially formulated resins and chemicals. Although there are a limited number of qualified suppliers of these materials, the Company has nevertheless identified alternate sources of supply for many of such materials. While the Company has not experienced significant problems in the delivery of these materials and considers its relationships with its suppliers to be strong, a disruption of the supply of material from a principal supplier could adversely affect the Company's business. Furthermore, substitutes for these materials are not readily available, and an inability to obtain essential materials, if prolonged, could materially adversely affect the Company's business. The Company experienced a supply chain issue in Japan as a result of the earthquake and tsunami in Japan in March 2011. Such issue was resolved during the 2012 fiscal year third quarter.

17. CUSTOMER AND SUPPLIER CONCENTRATIONS

a. Customers - Sales to TTM Technologies Inc. were 15.7%, 16.4% and 11.3% of the Company's total worldwide sales for fiscal years 2012, 2011 and 2010, respectively. Sales to Sanmina-SCI

Corporation were 11.5%, 14.6% and 13.7% of the Company's total worldwide sales for fiscal years 2012, 2011 and 2010, respectively. Sales to subsidiaries of Flextronics International, Ltd. were 10.0% and 10.2%, of the Company's total worldwide sales for fiscal years 2012 and 2011, respectively.

While no other customer accounted for 10% or more of the Company's total worldwide sales in fiscal years 2012, 2011 or 2010, and the Company is not dependent on any single customer, the loss of a major printed circuit materials customer or of a group of customers could have a material adverse effect on the Company's business or consolidated results of operations or financial position.

b. Sources of Supply - The principal materials used in the manufacture of the Company's high-technology printed circuit materials and advanced composite materials, parts and assemblies are specially manufactured copper foil, fiberglass cloth and synthetic reinforcements, and specially formulated resins and chemicals. Although there are a limited number of qualified suppliers of these materials, the Company has nevertheless identified alternate sources of supply for many of such materials. While the Company has not experienced significant problems in the delivery of these materials and considers its relationships with its suppliers to be strong, a disruption of the supply of material from a principal supplier could adversely affect the Company's business. Furthermore, substitutes for these materials are not readily available, and an inability to obtain essential materials, if prolonged, could materially adversely affect the Company's business. The Company experienced a supply chain issue in Japan as a result of the earthquake and tsunami in Japan in March 2011. Such issue was resolved during the 2012 fiscal year third quarter.