Lease Commitments - Schedule of Finance and Operating Lease Liabilities (Detail) - USD ($) $ in Thousands	Oct. 03, 2021	Jan. 03, 2021	Sep. 27, 2020
Finance Lease Liabilities, Payments, Due [Abstract]
2021 (remaining three months)	$ 998
Finance leases, 2022	3,283
Finance leases, 2023	2,361
Finance leases, 2024	1,543
Finance leases, 2025	1,060
Finance leases, thereafter	1,064
Finance leases, total lease payments	$ 10,309
Weighted-average remaining lease term	3 years 10 months 24 days		2 years 7 months 6 days
Weighted-average discount rate	3.20%		4.70%
Present values	$ 9,770
Lease liabilities - current	3,379	$ 2,089
Lease liabilities - long-term	6,391	2,504
Lease liabilities - total	9,770
Difference between undiscounted and discounted cash flows	539
Operating Lease Liabilities, Payments Due [Abstract]
2021 (remaining three months)	22,913
Operating leases, 2022	83,566
Operating leases, 2023	66,935
Operating leases, 2024	58,016
Operating leases, 2025	41,385
Operating leases, thereafter	55,618
Operating leases, total lease payments	$ 328,433
Weighted-average remaining lease term	4 years 10 months 24 days		5 years 2 months 12 days
Weighted-average discount rate	5.40%		6.20%
Present values	$ 288,578
Lease liabilities - current	76,113	73,737
Lease liabilities - long-term	212,465	$ 217,788
Lease liabilities - total	288,578
Difference between undiscounted and discounted cash flows	$ 39,855

Finance lease liability payments due after year four.

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Lessee operating lease liability payments due after year four.

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Present value of lessee's discounted obligation for lease payments from finance lease.

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Present value of lessee's discounted obligation for lease payments from finance lease, classified as current.

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Present value of lessee's discounted obligation for lease payments from finance lease, classified as noncurrent.

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Amount of lessee's undiscounted obligation for lease payments for finance lease.

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Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in remainder of current fiscal year.

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Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for finance lease.

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Weighted average remaining lease term for finance lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount of lessee's undiscounted obligation for lease payment for operating lease.

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Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of lessee's undiscounted obligation for lease payment for operating lease having initial or remaining lease term in excess of one year to be paid in remainder of current fiscal year.

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Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for operating lease.

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Present value of lessee's discounted obligation for lease payments from operating lease, classified as noncurrent.

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Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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