Quarterly report pursuant to Section 13 or 15(d)

Business combinations - Schedule of Asset Acquired and Liabilities Assumed (Details)

v3.21.1
Business combinations - Schedule of Asset Acquired and Liabilities Assumed (Details) - USD ($)
$ in Thousands
Mar. 01, 2021
Mar. 31, 2021
Sep. 30, 2020
Business Acquisition [Line Items]      
Goodwill   $ 899,796 $ 593,129
Attain      
Business Acquisition [Line Items]      
Cash consideration, net of cash acquired $ 419,864    
Accounts receivable - billed, billable and unbilled 39,274    
Prepaid expenses and other current assets 1,336    
Property and equipment, net 703    
Operating lease right-of-use assets 25,089    
Other assets 84    
Intangible assets 105,000    
Total identifiable assets acquired 171,486    
Accounts payable and other current liabilities 28,301    
Operating lease liabilities, less current portion 26,786    
Net identifiable assets acquired 116,399    
Goodwill 303,465    
Net assets acquired $ 419,864