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Derivative Financial Instruments - Summary of Gross Derivative Assets and Gross Derivative Liabilities in Condensed Consolidated Balance Sheets (Detail) - USD ($)
$ in Thousands
Jun. 30, 2019
Dec. 30, 2018
Derivative Instruments And Hedging Activities Disclosure [Abstract]    
Gross derivative assets $ 17,328 $ 28,305
Gross derivative liabilities $ 25,953 $ 38,610