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Debt (Detail) (USD $)
In Thousands
Sep. 25, 2011
Dec. 26, 2010
Debt Instrument [Line Items]  
Revolving line of credit$ 50,000$ 99,000
Other 17
Total long-term debt$ 50,000$ 99,017[1]
[1]Note: The balance sheet at December 26, 2010 has been derived from the audited consolidated financial statements at that date, but does not include all information and footnotes required by accounting principles generally accepted in the United States for a complete set of financial statements.