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Foreign Exchange Hedging Facility
 12 Months Ended
Dec. 31, 2011
Foreign Exchange Hedging Facility [Abstract]  
Foreign Exchange Hedging Facility

NOTE 7—FOREIGN EXCHANGE HEDGING FACILITY

On December 9, 2011, the Company entered into a Foreign Exchange Trading Master Agreement and a Pledge Agreement (collectively, the "Agreement") with HSBC Bank USA (the "Bank"). Under the terms of the Agreement, the Company and the Bank may enter into spot and/or forward foreign exchange transactions and/or foreign currency options. The Company intends to use these derivative instruments to manage the foreign currency risk associated with its trade accounts receivable that are denominated in foreign currencies, primarily the Mexican peso. In order to secure its obligations under the Master Trading Agreement, the Company has deposited $1 million into a restricted account pursuant to a related pledge agreement.