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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
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 two 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 two fiscal years immediately preceding the vesting date   4.75%  
Percentage of shares that can be earned   125.00%  
Maximum | 2017 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 2 years
Unrecognized compensation cost related to nonvested restricted stock granted by the omnibus plan   $ 4.3  
Expected weighted-average period to recognize compensation cost (years)   2 years 2 months 1 day  
Shares granted   0  
Performance Contingent Total Shareholders Return Shares      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Shares, Forfeited 112,840