Quarterly report pursuant to Section 13 or 15(d)

Acquisitions (Details)

v3.20.1
Acquisitions (Details)
$ in Thousands, $ in Millions, $ in Millions
Feb. 28, 2020
USD ($)
Feb. 28, 2020
AUD ($)
Aug. 16, 2019
USD ($)
Aug. 16, 2019
CAD ($)
Nov. 16, 2018
USD ($)
Mar. 31, 2020
USD ($)
Sep. 30, 2019
USD ($)
Business Acquisition [Line Items]              
Goodwill           $ 585,772 $ 584,469
General Dynamics Information Technology's Citizen Engagement Centers              
Business Acquisition [Line Items]              
Cash payment to acquire business         $ 430,700    
Goodwill         184,600    
Intangible assets acquired         $ 122,300    
GT Hiring Solutions Inc              
Business Acquisition [Line Items]              
Cash payment to acquire business     $ 6,200 $ 8.2      
Goodwill     1,500        
Intangible assets acquired     $ 2,700        
Percentage of voting equity interests acquired at the acquisition date in the business combination     100.00%        
Useful life     7 years 7 years      
InjuryNet              
Business Acquisition [Line Items]              
Cash payment to acquire business $ 3,700 $ 5.6          
Percentage of voting equity interests acquired at the acquisition date in the business combination 100.00% 100.00%