Leases - Summary of Balances Related to Lease Portfolio within Consolidated Statement of Cash Flow (Parenthetical) (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 29, 2019	[1]	Dec. 30, 2018	Dec. 31, 2017
Leases [Abstract]
Principal payments on capital lease obligations	$ 8,656		$ 8,100	$ 7,700
Interest payments on capital lease obligations	$ 2,714		$ 3,300	$ 3,900

[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.