Schedule of Restructuring Impairment Charges Recognized By Type of Cost (Detail) - USD ($) $ in Thousands	12 Months Ended
	Jan. 02, 2021	Dec. 28, 2019	Dec. 29, 2018
Restructuring Cost And Reserve [Line Items]
Total restructuring impairment of assets	$ 23,627	$ 20,229	$ 5,593
Lease Impairment Charges
Restructuring Cost And Reserve [Line Items]
Total restructuring impairment of assets	9,397
Gain on Sale
Restructuring Cost And Reserve [Line Items]
Total restructuring impairment of assets		(833)
Spare Parts \| Impairment of Assets
Restructuring Cost And Reserve [Line Items]
Total restructuring impairment of assets	734	174	238
Plant Closure Costs \| Impairment of Assets
Restructuring Cost And Reserve [Line Items]
Total restructuring impairment of assets	5,747	5,133	3,156
Line and Distribution Depot Closure Costs \| Impairment of Assets
Restructuring Cost And Reserve [Line Items]
Total restructuring impairment of assets	629	356	661
Brand Rationalization Study Impairments \| Impairment of Assets
Restructuring Cost And Reserve [Line Items]
Total restructuring impairment of assets	$ 7,120	$ 15,399	$ 1,538