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Amount of contribution received by defined benefit plan from employer which increases plan assets.

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The highest percentage of annual salary that an employee is permitted to utilize with respect to the plan.

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Number of options outstanding, including both vested and non-vested options.

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Employee Benefit Plans - Additional Information (Details) - USD ($) $ / shares in Units, $ in Thousands	1 Months Ended	12 Months Ended
	Jul. 31, 2020	Jan. 01, 2022	Jan. 02, 2021	Dec. 28, 2019
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Number of shares available for grant (in shares)		336,157
Cost recognized, defined contribution plan		$ 4,706	$ 4,501	$ 4,412
Defined benefit plan, loss due to settlement				5,887
Defined benefit plan, interest costs				1,334
Defined benefit plan, expected return on plan assets				$ 995
Defined benefit plan, discount rate (percent)				4.10%
Defined benefit plan, expected return on plan assets (percent)				4.10%
Restricted stock units for non employee directors (RSUs)
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Granted (in shares)	1,042	1,009	2,085	1,858
Performance-based restricted stock units
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Shares received upon vesting (in shares)		1
Vesting period (years)		3 years
Compensation cost not yet recognized		$ 3,231
Compensation cost not yet recognized, recognition period		1 year 4 months 24 days
Time-based restricted stock units
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Shares received upon vesting (in shares)		1
Compensation cost not yet recognized		$ 3,932
Compensation cost not yet recognized, recognition period		1 year 9 months 18 days
Restricted stock unit awards
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Granted (in shares)		49,000
Weighted average grant date fair value, granted (in dollars per share)		$ 174.52	$ 88.22	$ 86.50
Fair value of awards vested in period		$ 5,892	$ 7,343	$ 5,452
Stock option awards
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Vesting period (years)		3 years
Options outstanding (in shares)		0	27,000
Employee stock purchase plan awards
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Number of shares available for grant (in shares)		91,643
Discount to market under the ESOP		15.00%
Maximum period of restriction on resale under ESOP		1 year
Maximum participation based on compensation percentage under ESOP		10.00%
Stock issued during period under ESOP (in shares)		10,230	13,062	13,195
Restoration Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Settlement payment			$ 2,427
Director \| Restricted stock units for non employee directors (RSUs)
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Shares received upon vesting (in shares)		1