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Accumulated Other Comprehensive Loss (Details Textuals) (USD $)
3 Months Ended12 Months Ended
Nov. 20, 2010
ForwardStartingSwap
Aug. 28, 2010
Accumulated Other Comprehensive Loss (Textuals) [Abstract]  
Number of forward starting swaps3 
Net loss on derivatives$ 5,400,000$ 6,300,000
Derivatives being amortized into interest expense$ 1,400,000$ 612,000