Accrued Liabilities - Schedule of Accrued Liabilities (Detail) - USD ($) $ in Thousands	Jan. 02, 2021	Dec. 28, 2019
Payables And Accruals [Abstract]
Customer deposits	$ 18,132	$ 7,414
Accrued payroll and benefits	14,777	9,421
Accrued interest	10,415	9,021
Accrued warranty	6,474	5,258
Accrued federal and state income taxes	3,355	40
Advance supplier consideration	2,808	2,808
Accrued health claims insurance payable	994	1,301
Fair value of derivative financial instruments	52	510
Other	3,868	2,178
Accrued liabilities	$ 60,875	$ 37,951