Leases - Summary of Balances Related to Lease Portfolio within Consolidated Statement of Cash Flow (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 29, 2019		Dec. 30, 2018	Dec. 31, 2017
Cash flows from operating activities impact:
Operating leases	$ 18,138
Interest payments on financing lease obligations	2,714	[1]	$ 3,300	$ 3,900
Total cash flows from operating activities impact	20,852
Cash flows from financing activities impact:
Principal payments on financing lease obligations	8,656	[1]	$ 8,100	$ 7,700
Total cash flows from financing activities impact	$ 8,656

[1] During 2018, the Company had principal payments on capital lease obligations of $8.1 million and interest payments on capital lease obligations of $3.3 million. During 2017, the Company had principal payments on capital lease obligations of $7.7 million and interest payments on capital lease obligations of $3.9 million.