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Leases - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 29, 2019
Jun. 30, 2018
Jun. 29, 2019
Jun. 30, 2018
Jan. 01, 2019
Leases [Abstract]          
Lease liability $ 91,819   $ 91,819   $ 100,000
Weighted Average Remaining Lease Term 4 years 10 months 24 days   4 years 10 months 24 days    
Rental expense $ 9,000 $ 8,000 $ 18,000 $ 15,000  
Weighted Average Discount Rate 3.94%   3.94%    
Operating activities in the statement of cash flows     $ 18,000