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Investments in Unconsolidated Companies (Narrative) (Detail) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 27, 2013
Dec. 28, 2012
Dec. 30, 2011
Schedule of Equity Method Investments [Line Items]      
Investments in unconsolidated companies accounted for under the equity method $ 1.6 $ 1.5  
Ownership interest 20.00%    
Purchases from unconsolidated companies 0 0  
Income (losses) in unconsolidated companies 0.1 0.7 (0.7)
B.A.D.M. Agroindustrial, S.A [Member]
     
Schedule of Equity Method Investments [Line Items]      
Ownership percentage sold   50.00%  
Proceeds from sales of business   $ 1.0