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Acquisitions (Detail) - USD ($)
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 28, 2021
Apr. 14, 2021
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Dec. 31, 2020
Dec. 31, 2019
Business Acquisition [Line Items]                
Business Combination, Contingent Consideration, Liability     $ 8,041,000   $ 8,041,000   $ 207,000 $ 9,124,000
Business Combination, Acquisition of Less than 100 Percent, Noncontrolling Interest, Fair Value       $ 298,000   $ 298,000    
Noncontrolling Interest, Increase from Business Combination       $ 359,000   $ 359,000    
Restructuring Costs     433,000   1,239,000   7,181,000  
Payments to Acquire Interest in Joint Venture     (19,127,000)   (19,127,000)      
Forward contracts     140,000   140,000      
Fair Value, Inputs, Level 2 [Member]                
Business Acquisition [Line Items]                
Business Combination, Contingent Consideration, Liability     0   0   $ 0  
Forward contracts     140,000   140,000      
European Joint Venture                
Business Acquisition [Line Items]                
Business Acquisition, Percentage of Voting Interests Acquired   49.90%            
Payments to Acquire Interest in Joint Venture   $ (16,626,000)            
South African Joint Venture [Member]                
Business Acquisition [Line Items]                
Business Acquisition, Percentage of Voting Interests Acquired 49.90%              
Payments to Acquire Interest in Joint Venture $ (2,501,000)              
Greats Brand Inc. [Member]                
Business Acquisition [Line Items]                
Business Combination, Contingent Consideration, Liability     121,000   121,000      
B. B. Dakota, Inc. [Member]                
Business Acquisition [Line Items]                
Business Combination, Contingent Consideration, Liability     $ 7,920,000   $ 7,920,000