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Acquisitions - Identifiable Intangible Assets (Details) - USD ($)
$ in Thousands
Jan. 03, 2019
Nov. 30, 2018
Jul. 20, 2018
HALO      
Business Acquisition [Line Items]      
Intangible Asset Class $ 28,061    
HALO | Patents and technology      
Business Acquisition [Line Items]      
Intangible Asset Class $ 11,307    
Weighted Average Amortization Period 8 years 9 months 18 days    
HALO | Trade names      
Business Acquisition [Line Items]      
Intangible Asset Class $ 4,408    
Weighted Average Amortization Period 10 years    
HALO | Customer relationships      
Business Acquisition [Line Items]      
Intangible Asset Class $ 12,346    
Weighted Average Amortization Period 8 years    
Gear4      
Business Acquisition [Line Items]      
Intangible Asset Class   $ 23,024  
Gear4 | Trade names      
Business Acquisition [Line Items]      
Intangible Asset Class   $ 11,617  
Weighted Average Amortization Period   10 years  
Gear4 | Customer relationships      
Business Acquisition [Line Items]      
Intangible Asset Class   $ 11,186  
Weighted Average Amortization Period   8 years  
Gear4 | Backlog      
Business Acquisition [Line Items]      
Intangible Asset Class   $ 221  
Weighted Average Amortization Period   1 month  
BRAVEN      
Business Acquisition [Line Items]      
Intangible Asset Class     $ 1,774
BRAVEN | Patents and technology      
Business Acquisition [Line Items]      
Intangible Asset Class     $ 872
Weighted Average Amortization Period     3 years 1 month 6 days
BRAVEN | Trade names      
Business Acquisition [Line Items]      
Intangible Asset Class     $ 901
Weighted Average Amortization Period     10 years
BRAVEN | Backlog      
Business Acquisition [Line Items]      
Intangible Asset Class     $ 1
Weighted Average Amortization Period     6 months