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Information about Derivative Positions (Detail) (USD $)
In Thousands, unless otherwise specified
Mar. 29, 2014
Dec. 31, 2013
Derivative [Line Items]    
Gross amounts of recognized assets $ 292  
Gross amounts of liabilities offset in the condensed consolidated balance sheet 35  
Net amount of assets in the condensed consolidated balance sheet 257  
Gross amounts of recognized liabilities   620
Gross amounts offset in the condensed consolidated balance sheet   106
Net amount of liabilities in the condensed consolidated balance sheet   $ 514