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Components of Other Current Assets (Detail) - USD ($)
$ in Thousands
Apr. 20, 2019
Dec. 29, 2018
Deferred Costs Capitalized Prepaid And Other Assets Disclosure [Abstract]    
Prepaid assets $ 14,301 $ 22,286
Recovery from legal settlement in principle 21,000  
Fair value of derivative instruments   501
Collateral to counterparties for derivative positions 29,898 15,408
Income taxes receivable   3,917
Other 1,677 1,125
Total $ 66,876 $ 43,237