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Aggregate Fair Value of Derivative Financial Instruments (Detail) - Fair Value, Measurements, Recurring - Interest Rate Swap - USD ($)
$ in Thousands
Mar. 30, 2019
Dec. 29, 2018
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Interest rate swap asset $ 2,229 $ 3,924
Interest rate swap liability 9,961 5,578
Fair Value Measurements Using Quoted Prices in Active Markets for Identical Assets (Level 1)    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Interest rate swap asset 0 0
Interest rate swap liability 0 0
Fair Value Measurements Using Significant Other Observable Inputs (Level 2)    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Interest rate swap asset 2,229 3,924
Interest rate swap liability 9,961 5,578
Fair Value Measurements Using Significant Unobservable Inputs (Level 3)    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Interest rate swap asset 0 0
Interest rate swap liability $ 0 $ 0