v2.4.0.6
Derivative Instruments and Hedging Activities (Details 2) (Cash Flow Hedging [Member], Interest rate swap agreements [Member], USD $)
3 Months Ended 9 Months Ended
Sep. 29, 2012
Sep. 24, 2011
Sep. 29, 2012
Sep. 24, 2011
Cash Flow Hedging [Member] | Interest rate swap agreements [Member]
       
Amounts Affecting Consolidated Statements of Operations        
Amount of Loss Reclassified from Accumulated Other Comprehensive Loss into Income $ (145,000) $ (150,000) $ (437,500) $ (459,000)