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Market Risks and Concentrations
12 Months Ended
Dec. 25, 2011
MARKET RISKS AND CONCENTRATIONS [Abstract]  
Concentration Risk Disclosure [Text Block]
MARKET RISKS AND CONCENTRATIONS
The Company’s financial instruments that are exposed to concentrations of credit risk consist primarily of cash equivalents, investment securities and trade accounts receivable. The Company’s cash equivalents and investment securities are high-quality debt and equity securities placed with major banks and financial institutions. The Company’s trade accounts receivable are generally unsecured. Credit evaluations are performed on all significant customers and updated as circumstances dictate. Concentrations of credit risk with respect to trade accounts receivable are limited due to the large number of customers and their dispersion across geographic areas. With the exception of one customer that accounts for approximately 12.3% of trade accounts and other receivables at December 25, 2011, and approximately 9.9% of net sales for 2011, the Company does not believe it has significant concentrations of credit risk in its trade accounts receivable.
At December 25, 2011, approximately 36.0% of the Company’s employees were covered under collective bargaining agreements. Substantially all employees covered under collective bargaining agreements are covered under agreements that expired in 2011 and have yet to be renegotiated or will expire in 2012. We have not experienced any labor-related work stoppage at any location in over seven years. We believe our relations with our employees are satisfactory. At any given time, we will be in some stage of contract negotiation with various collective bargaining units. The Company is currently in negotiation with union locals in eight locations, and there is no assurance that agreement will be reached, or if reached, on terms that are favorable to the Company. In the absence of an agreement, we may become subject to a strike, a work stoppage or other labor action at any of these locations.