XML 68 R49.htm IDEA: XBRL DOCUMENT v3.19.1
Acquisitions - Additional Information (Detail) - USD ($)
 1 Months Ended 3 Months Ended
Apr. 25, 2018
Feb. 26, 2018
Jan. 30, 2019
Apr. 01, 2018
Mar. 31, 2019
Dec. 31, 2018
Business Acquisition [Line Items]            
Contingent consideration           $ 30,800,000
Goodwill         $ 379,513,000 $ 381,850,000
Mobile Industrial Robots (MiR)            
Business Acquisition [Line Items]            
Total preliminary purchase price $ 197,778,000          
Cash paid to acquire outstanding common and preferred stock 145,200,000          
Contingent consideration 52,600,000          
Arrangement range of outcomes value high         $ 83,200,000  
Goodwill, not deductible for tax purposes 136,000,000          
Net income       $ 85,151,000    
Goodwill $ 135,976,000          
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life 7 years 2 months 12 days          
Mobile Industrial Robots (MiR) | Acquisition Related Costs            
Business Acquisition [Line Items]            
Net income       $ 600,000    
Energid Technologies Corporation            
Business Acquisition [Line Items]            
Total preliminary purchase price   $ 27,600,000        
Goodwill   14,400,000        
Acquired value of intangible assets   $ 12,300,000        
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life   7 years 8 months 12 days        
Net tangible assets   $ 1,000,000        
Lemsys [Member]            
Business Acquisition [Line Items]            
Total preliminary purchase price     $ 1,200,000      
Total preliminary purchase price     9,100,000      
Acquired value of intangible assets     $ 5,500,000      
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life     4 years 10 months 24 days      
Net tangible assets     $ 2,400,000