Commitments and Contingencies - Summary of Future Minimum Lease Payments Including Renewal Options for all Noncancelable Operating Leases and Capital Leases (Detail) - USD ($) $ in Thousands	Dec. 30, 2018	Dec. 31, 2017
Capital Leases, 2019	$ 10,434
Capital Leases, 2020	10,613
Capital Leases, 2021	6,218
Capital Leases, 2022	2,697
Capital Leases, 2023	2,753
Capital Leases, Thereafter	8,106
Total Capital Leases including interest	40,821
Less: Amounts representing interest	5,573
Present value of minimum lease principal payments	35,248
Less: Current portion of principal payment obligations under capital leases	8,617	$ 8,221
Long-term portion of principal payment obligations under capital leases	26,631	$ 35,248
Operating Leases, 2019	14,146
Operating Leases, 2020	13,526
Operating Leases, 2021	12,568
Operating Leases, 2022	11,161
Operating Leases, 2023	10,055
Operating Leases, Thereafter	33,805
Total Operating Leases	95,261
Total Capital And Operating Leases [Member]
Total future minimum payments due in 2019	24,580
Total future minimum payments due in 2020	24,139
Total future minimum payments due in 2021	18,786
Total future minimum payments due in 2022	13,858
Total future minimum payments due in 2023	12,808
Total future minimum payments due, in Thereafter	41,911
Total minimum lease payments including interest	$ 136,082