Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements - Measurement of Assets and Liabilities at Fair Value on Recurring Basis (Detail)

v3.19.1
Fair Value Measurements - Measurement of Assets and Liabilities at Fair Value on Recurring Basis (Detail) - USD ($)
$ in Thousands
Mar. 30, 2019
Dec. 29, 2018
Fair Value Measurements, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Restricted Investments $ 1,623 $ 1,905
Interest rate swaps (2,097) (984)
Fair Value Measurements, Recurring [Member] | Level 1 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Restricted Investments 1,623 1,905
Interest rate swaps 0 0
Fair Value Measurements, Recurring [Member] | Level 2 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Restricted Investments 0 0
Interest rate swaps (2,097) (984)
Derivative Liability, Current (13) (152)
Fair Value Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Restricted Investments 0 0
Interest rate swaps 0 0
Foreign Exchange Forward Contract [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative Liability, Current (13) (152)
Foreign Exchange Forward Contract [Member] | Level 1 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative Liability, Current 0 0
Foreign Exchange Forward Contract [Member] | Fair Value, Inputs, Level 3 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative Liability, Current $ 0 $ 0