v2.4.0.6
Derivative Instruments and Hedging Activities (Details 1) (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 Gain Recognized in Other Comprehensive Income (Loss) net of tax $ 101,000 $ 7,000 $ 305,000 $ 49,000