XML 57 R34.htm IDEA: XBRL DOCUMENT v2.4.0.6
Derivative Instruments (Details 1) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Mar. 30, 2013
Mar. 24, 2012
Mar. 30, 2013
Mar. 24, 2012
Summary of derivative instruments not designated as hedging instruments statements of financial performance        
Total derivative instruments $ 68 $ (10) $ (738) $ (41)
Commodity contracts [Member] | Not Designated as Hedging Instrument [Member]
       
Summary of derivative instruments not designated as hedging instruments statements of financial performance        
Total derivative instruments $ 68 $ (10) $ (738) $ (41)