Annual report pursuant to Section 13 and 15(d)

Goodwill Other Assets and Other Intangible Assets - Additional Information (Detail)

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Goodwill Other Assets and Other Intangible Assets - Additional Information (Detail) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 30, 2012
Dec. 25, 2011
Dec. 26, 2010
Intangible Assets Goodwill And Other Assets [Line Items]      
Amortization expense $ 1,971 $ 404 $ 214
Write off of loan origination costs $ 1,673 $ 78