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The Company - Additional information (Detail)
1 Months Ended 3 Months Ended 12 Months Ended
Nov. 13, 2019
USD ($)
Apr. 25, 2018
USD ($)
Feb. 26, 2018
USD ($)
Jan. 30, 2019
USD ($)
Dec. 31, 2019
USD ($)
Dec. 31, 2019
USD ($)
Dec. 31, 2020
USD ($)
Feb. 28, 2020
USD ($)
Jun. 03, 2019
USD ($)
Dec. 31, 2018
USD ($)
Business Acquisition [Line Items]                    
Contingent consideration $ 24,000,000.0 $ 30,800,000     $ 8,900,000 $ 8,900,000        
Investment impairment         15,000,000.0 15,000,000        
Industrial Automation                    
Business Acquisition [Line Items]                    
Total preliminary purchase price 81,600,000                  
Real War In [Member]                    
Business Acquisition [Line Items]                    
Equity Method Investments         0 0     $ 15,000,000.0  
Repaymentof debt demanded               $ 25,000,000.0    
Mobile Industrial Robots (MiR)                    
Business Acquisition [Line Items]                    
Cash paid to acquire outstanding common and preferred stock   145,200,000                
Total preliminary purchase price   197,800,000                
Contingent consideration   $ 52,600,000     9,100,000 9,100,000       $ 31,000,000.0
Arrangement range of outcomes value high             $ 0     $ 0
Energid Technologies Corporation [Member]                    
Business Acquisition [Line Items]                    
Total preliminary purchase price     $ 27,600,000              
Lemsys [Member]                    
Business Acquisition [Line Items]                    
Total preliminary purchase price       $ 9,100,000            
Autoguide LLC                    
Business Acquisition [Line Items]                    
Arrangement range of outcomes value high 100,200,000           $ 100,200,000      
Autoguide LLC | Industrial Automation                    
Business Acquisition [Line Items]                    
Cash paid to acquire outstanding common and preferred stock 57,600,000                  
Contingent consideration $ 24,000,000.0                  
Business acquisition percentage of equity 100.00%                  
Arrangement range of outcomes value high         $ 100,200,000 $ 100,200,000        
Quantity of material to be transported 4,500