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Equity Incentive Plans - Additional Information (Detail) - USD ($) $ in Thousands	12 Months Ended			24 Months Ended
	Jan. 02, 2022	Jan. 03, 2021	Dec. 29, 2019	Dec. 30, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Non-cash compensation expense	$ 28,670	$ 24,244	$ 20,265
Deferred tax benefit related to non-cash compensation expense	$ 4,300	$ 3,600	$ 3,800
Stock options outstanding	664,117	832,666	1,546,411	1,909,399
Total intrinsic value of stock options exercised	$ 77,400	$ 249,700	$ 103,800
Cash received from exercise of stock options	19,682	30,970	13,064
Tax benefit realized from stock options exercised	$ 17,600	$ 59,100	$ 24,900
Restricted stock granted	59,801	42,780	67,570
Board Of Directors [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock granted	3,292	3,630	3,780
Employees [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock granted	49,963
Equity Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost	$ 5,300
Weighted average period over which the unrecognized compensation will be recognized	2 years
Performance Based Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Non-cash compensation expense	$ 12,700	$ 14,600	$ 13,200
Unrecognized compensation cost	16,800
Performance Based Restricted Stock [Member] \| Employees [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Non-cash compensation expense	1,400
Unrecognized compensation cost	$ 1,200
Restricted stock granted	6,546	39,150	63,790
General and Administrative Expense [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Non-cash compensation expense	$ 5,700	$ 6,300	$ 4,000
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Non-cash compensation expense	1,400
Restricted Stock Units (RSUs) [Member] \| Board Of Directors [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Non-cash compensation expense		1,200	1,000
Restricted Stock Units (RSUs) [Member] \| Employees [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Non-cash compensation expense	5,400
Unrecognized compensation cost	12,300
Restricted Stock Units (RSUs) [Member] \| Executive Officer [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Non-cash compensation expense	2,100	$ 2,100	$ 2,100
Restricted stock granted				28,570
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Share-based Awards Other than Options	600
Restricted Stock Units (RSUs) [Member] \| Maximum [Member] \| Board Of Directors [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost	$ 200
2004 Equity Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized	15,600,000
Number of shares available for grant	2,497,029
2004 Equity Incentive Plan [Member] \| Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options outstanding	664,117
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	3 years
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period	10 years