XML 59 R67.htm IDEA: XBRL DOCUMENT v3.20.1
Goodwill and Intangible Assets - Additional Information (Details) - USD ($)
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Nov. 30, 2018
Oct. 31, 2018
Apr. 30, 2018
Nov. 30, 2016
Disclosure of reconciliation of changes in goodwill [line items]              
Impairment charges against goodwill or intangible assets $ 0 $ 0 $ 0        
Term used to extrapolate cash flow projections 5 years            
Growth rate used to extrapolate cash flow projections (percentage) 2.00%            
Intangible assets and goodwill $ 449,600,000 482,000,000 44,800,000        
Goodwill 198,300,000 198,400,000          
Goodwill              
Disclosure of reconciliation of changes in goodwill [line items]              
Impairment charges against goodwill or intangible assets 0            
Intangible assets and goodwill 198,300,000 $ 198,400,000 $ 23,200,000        
Impakt              
Disclosure of reconciliation of changes in goodwill [line items]              
Goodwill $ 112,500,000     $ 112,600,000      
Acquisitions prior to Impakt acquisition              
Disclosure of reconciliation of changes in goodwill [line items]              
Goodwill         $ 19,500,000    
Karel              
Disclosure of reconciliation of changes in goodwill [line items]              
Goodwill             $ 3,700,000
Atrenne              
Disclosure of reconciliation of changes in goodwill [line items]              
Goodwill           $ 62,600,000