Commitments and Contingencies - Additional Information (Detail) - USD ($) $ in Thousands	12 Months Ended
	Jan. 01, 2019	Jan. 02, 2018
Loss Contingencies [Line Items]
Purchasing commitments contract extended terms	2021
Insurance deductible per claim	$ 350
Successor
Loss Contingencies [Line Items]
Contractual purchase obligations for goods and services	$ 55,900
Officers | Termination Incentive Payments
Loss Contingencies [Line Items]
Base salary and bonus incentive payments after termination, term (in years)	1 year
Officers | Termination Incentive Payments | Successor
Loss Contingencies [Line Items]
Contingent liability related to Severance Agreements and Executive Employment Agreements	$ 3,300	$ 2,600