v2.4.0.6
Derivative Instruments and Hedging Activities (Details) (Designated as hedging instruments [Member], Interest rate swap agreements [Member], USD $)
Sep. 29, 2012
Dec. 31, 2011
Fair Values of Derivatives    
Asset Derivatives      
Other Liabilities [Member]
   
Fair Values of Derivatives    
Liability Derivatives $ 978,000 $ 1,307,000