Leases - Summary of Balances Related to Lease Portfolio within Condensed Consolidated Statement of Operations (Detail) - USD ($) $ in Thousands	3 Months Ended			9 Months Ended
	Sep. 29, 2019		Sep. 30, 2018	Sep. 29, 2019		Sep. 30, 2018
Lessee Disclosure [Line Items]
Total lease cost	$ 10,883			$ 30,305
Cost of Sales [Member]
Lessee Disclosure [Line Items]
Operating leases costs	1,356			4,039
Short-term and variable leases	2,814			7,393
Depreciation expense from financing leases	353	[1]	$ 300	1,060	[1]	$ 1,000
Total lease cost	4,523			12,492
Selling, Delivery and Administrative Expenses [Member]
Lessee Disclosure [Line Items]
Operating leases costs	3,717			9,639
Short-term and variable leases	838			2,676
Depreciation expense from financing leases	1,139	[1]	1,100	3,415	[1]	3,400
Total lease cost	5,694			15,730
Interest Expense, Net [Member]
Lessee Disclosure [Line Items]
Interest expense on financing lease obligations	666	[2]	$ 800	2,083	[2]	$ 2,600
Total lease cost	$ 666			$ 2,083

[1] During the third quarter of 2018, the Company had depreciation expense from capital leases of $0.3 million and $1.1 million in cost of sales and SD&A expenses, respectively. During the first nine months of 2018, the Company had depreciation expense from capital leases of $1.0 million and $3.4 million in cost of sales and SD&A expenses, respectively.

[2] The Company had interest expense on capital lease obligations of $0.8 million during the third quarter of 2018 and $2.6 million during the first nine months of 2018.