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Acquisitions - Additional Information (Details)
$ in Thousands
3 Months Ended
Mar. 03, 2020
USD ($)
Mar. 03, 2020
EUR (€)
Feb. 06, 2019
USD ($)
Feb. 15, 2018
USD ($)
Feb. 15, 2018
EUR (€)
Mar. 27, 2020
USD ($)
Mar. 29, 2019
USD ($)
Mar. 03, 2020
EUR (€)
Feb. 06, 2019
EUR (€)
Mar. 30, 2018
Stardust SAS (StarDust) [Member]                    
Business Acquisition [Line Items]                    
Business acquisition, percentage acquired 100.00%         100.00%   100.00%    
Payments to acquire business $ 5,800 € 5,200,000                
Foreign currency exchange rate 1.1145             1.1145    
Earn-out contingency liability, basis for amount           An earn-out of up to $1.1 million (€1.0 million based on a EUR into USD exchange rate of 1.1145) can be earned, a portion of which will be payable in each period subject to the achievement of consolidated direct profit targets for fiscal 2020 and 2021. Additionally, for each €10,000 of consolidated direct profit achieved above the target, an additional €1,000 can be earned, with no maximum limit. There is no payout if the achievement is below the target threshold.        
Threshold limit of consolidated direct profit achieved above target | €   10,000                
Earn-out contingency liability | €   € 1,000                
Stardust SAS (StarDust) [Member] | Maximum [Member]                    
Business Acquisition [Line Items]                    
Earn-out contingency liability $ 1,100             € 1,000,000.0    
Tech-IT PSF S.A. [Member]                    
Business Acquisition [Line Items]                    
Business acquisition, percentage acquired     100.00%       100.00%   100.00%  
Payments to acquire business     $ 9,678              
Foreign currency exchange rate     1.1386           1.1386  
Earn-out contingency liability, basis for amount           An earn-out of up to a maximum of $1.7 million (€1.5 million based on a EUR into USD exchange rate of 1.1386) can be earned, a portion of which will be payable in each period subject to the achievement of direct profit targets for fiscal 2018, 2019, and 2020.  There is no payout if the achievement on the target is below the threshold.        
Acquisition related costs     $ 600     $ 700        
Tech-IT PSF S.A. [Member] | Selling General and Administrative Expenses [Member]                    
Business Acquisition [Line Items]                    
Business combination acquisition related costs including fair value adjustment of earn out liability and amortization of intangible assets           200 $ 0      
Tech-IT PSF S.A. [Member] | Other Current Liabilities [Member]                    
Business Acquisition [Line Items]                    
Fair value of the remaining contingent consideration liability           400        
Tech-IT PSF S.A. [Member] | Other Long-Term Liabilities [Member]                    
Business Acquisition [Line Items]                    
Fair value of the remaining contingent consideration liability           300        
Tech-IT PSF S.A. [Member] | Maximum [Member]                    
Business Acquisition [Line Items]                    
Earn-out contingency liability     $ 1,700           € 1,500,000  
Soft Company [Member]                    
Business Acquisition [Line Items]                    
Business acquisition, percentage acquired       100.00%           100.00%
Payments to acquire business       $ 16,900 € 13,600,000          
Foreign currency exchange rate       1.2392            
Fair value of the remaining contingent consideration liability           800        
Fair value of acquisition       $ 2,000            
Soft Company [Member] | Selling General and Administrative Expenses [Member]                    
Business Acquisition [Line Items]                    
Acquisition related costs           0 200      
Business combination acquisition related costs including fair value adjustment of earn out liability and amortization of intangible assets           $ 200 $ 400