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Acquisitions, Investments and Dispositions - Additional Information (Detail) (USD $)
In Thousands, unless otherwise specified
1 Months Ended 12 Months Ended
Apr. 30, 2012
business
Dec. 30, 2012
Dec. 25, 2011
Dec. 26, 2010
Business Acquisition [Line Items]        
Number of businesses acquired 2      
Payments for acquisitions, net of cash acquired   $ 67,244 $ 23,020 $ 15,164
Payments for investments   2,501 19,406 10,984
Gain on sale of discontinued operations, net of tax   $ 0 $ 0 $ 21,195