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Fair Value Measurements (Detail) (USD $)
9 Months Ended
Oct. 06, 2012
Oct. 08, 2011
Dec. 31, 2011
Long-term Debt $ 371,119,000   $ 279,141,000
Long-term Debt, Fair Value 369,800,000   276,300,000
Asset Impairment Charges $ 132,100,000 $ 400,000