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Components Of Other Current Assets (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 29, 2012
Dec. 31, 2011
Other Assets, Current [Line Items]    
Prepaid assets $ 14,544 $ 13,028
Collateral to counterparties for derivative positions 8,984 11,842
Income taxes receivable 5,399 9,852
Other 567 478
Total $ 29,494 $ 35,200