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Business Combination - Additional Information (Detail) - USD ($)
$ in Thousands
12 Months Ended
Aug. 08, 2016
Jan. 01, 2019
Jan. 02, 2018
Jan. 03, 2017
Business Acquisition [Line Items]        
Issuance of common stock (in shares) 1,533,542      
Business combination, goodwill   $ 321,531 $ 320,638  
Successor        
Business Acquisition [Line Items]        
Tax withholdings on restricted stock vesting   2,378 1,923 $ 916
Issuance of common stock, value       0
Transaction-related costs   0 0 $ 731
Business combination, goodwill   $ 321,531 $ 320,638