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Stock-Based Compensation (Performance-Contingent Return on Invested Capital Shares) - Additional Information (Detail) - USD ($) $ in Millions		12 Months Ended
	May 23, 2019	Jan. 02, 2021	Dec. 28, 2019	Dec. 29, 2018
Return On Invested Capital
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of payout		0.00%
Return On Invested Capital | Range One
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of payout, ROIC above WACC		1.75%
Return On Invested Capital | Range Two
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of payout, ROIC above WACC		3.75%
Return On Invested Capital | Range Three
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of payout, ROIC above WACC		4.75%
Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Return on investment target over the three fiscal years immediately preceding the vesting date		1.75%
Percentage of shares that can be earned		0.00%
Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Return on investment target over the three fiscal years immediately preceding the vesting date		4.75%
Percentage of shares that can be earned		125.00%
Maximum | 2019 and 2020 Award
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of shares that can be earned		100.00%
Weighted Average Cost of Capital | Range One
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of payout, ROIC above WACC		50.00%
Weighted Average Cost of Capital | Range Two
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of payout, ROIC above WACC		100.00%
Weighted Average Cost of Capital | Range Three
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of payout, ROIC above WACC		125.00%
Performance Contingent Return On Invested Capital Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period		3 years	3 years	2 years
Unrecognized compensation cost related to nonvested restricted stock granted by the omnibus plan		$ 6.9
Expected weighted-average period to recognize compensation cost (years)		1 year 10 months 13 days
Shares Granted		0
Performance Contingent Total Shareholders Return Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares, Forfeited	112,840

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