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Equity-Based Compensation - Additional Information (Detail) - USD ($)
1 Months Ended 3 Months Ended 9 Months Ended 12 Months Ended
Dec. 31, 2016
May 23, 2016
Aug. 31, 2015
Oct. 01, 2017
Oct. 02, 2016
Oct. 01, 2017
Oct. 02, 2016
Dec. 31, 2017
Jan. 01, 2017
Jan. 03, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Total equity-based compensation expense       $ 4,085,000 $ 3,997,000 $ 10,325,000 $ 10,322,000      
Proceeds from exercise of stock options           $ 6,640,000 2,616,000      
RSUs [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Number of awards issued           357,856        
RSUs [Member] | Minimum [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Awards vesting period           2 years        
RSUs [Member] | Maximum [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Awards vesting period           3 years        
PSAs [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Stock awards vesting description           During the thirty-nine weeks ended October 2, 2016, the performance conditions with respect to 2015 earnings per share were deemed to have been met, and the PSAs will vest 50 percent at each of the second and third anniversary of the grant date. During the thirty-nine weeks ended October 1, 2017, 21,050 of the 2015 PSAs were vested. No PSAs vested during the thirty-nine weeks ended October 2, 2016.        
Total grant date fair value vested           $ 21,050 $ 0      
Performance stock awards description           Payout of the performance shares will either be 0% or range from 10% to 150% of the target number of shares granted.     Payout of the performance shares will either be 0% or range from 50% to 150% of the target number of shares granted.  
Grant date fair value not earned                 30,981  
Number of awards issued           148,944        
RSAs [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Awards vesting period 1 year 9 months                  
Number of awards issued           288,746        
RSAs [Member] | Scenario, Forecast [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Awards vesting period               3 years    
Second Anniversary [Member] | Stock option [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Awards vesting period                   3 years
Second Anniversary [Member] | PSAs [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Performance stock awards vesting percentage           50.00% 50.00%      
Third Anniversary [Member] | Stock option [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Awards vesting period                 3 years  
Third Anniversary [Member] | PSAs [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Performance stock awards vesting percentage           50.00% 50.00%      
Option One [Member] | PSAs [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Performance stock awards payout percentage of shares granted           0.00%     0.00%  
Option Two [Member] | PSAs [Member] | Minimum [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Performance stock awards payout percentage of shares granted           10.00%     50.00%  
Option Two [Member] | PSAs [Member] | Maximum [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Performance stock awards payout percentage of shares granted           150.00%     150.00%  
2013 Incentive Plan [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Number of shares authorized for issuance under plan       10,089,072   10,089,072        
Options outstanding       3,686,043   3,686,043        
Remaining shares available for issuance       5,805,674   5,805,674        
Total equity-based compensation expense       $ 900,000 $ 1,000,000 $ 2,900,000 $ 1,400,000      
2013 Incentive Plan [Member] | Chief Executive Officer [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Number of options, Granted   386,496 1,200,000              
Stock options awarded to employees, exercise price   $ 24.48 $ 20.98              
Excess stock options granted     733,439              
2013 Incentive Plan [Member] | President & Chief Operating Officer [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Number of options, Granted   33,439 500,000              
Stock options awarded to employees, exercise price   $ 24.48 $ 20.98              
Excess stock options granted     33,439              
2013 Incentive Plan [Member] | Maximum [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Number of options, Granted     500,000              
2013 Incentive Plan [Member] | RSAs [Member] | Chief Executive Officer [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Number of awards issued   215,251                
2013 Incentive Plan [Member] | RSAs [Member] | President & Chief Operating Officer [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Number of awards issued   2,601                
2011 Option Plan [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Number of shares authorized for issuance under plan       12,100,000   12,100,000        
Options outstanding       2,384,978   2,384,978