Quarterly report pursuant to Section 13 or 15(d)

Business Combinations - Narrative (Details)

v3.22.2
Business Combinations - Narrative (Details)
$ in Thousands, £ in Millions, $ in Millions
 3 Months Ended 9 Months Ended
Jun. 01, 2022
USD ($)
Jun. 01, 2022
AUD ($)
Jan. 31, 2022
USD ($)
Jan. 31, 2022
GBP (£)
Oct. 06, 2021
USD ($)
Sep. 14, 2021
USD ($)
Sep. 14, 2021
GBP (£)
May 28, 2021
USD ($)
asset
Jun. 30, 2022
USD ($)
Jun. 30, 2022
USD ($)
Jun. 30, 2021
USD ($)
Sep. 30, 2021
USD ($)
Business Acquisition [Line Items]                        
Cash consideration paid, net of cash acquired                   $ 14,144 $ 1,779,473  
Number of intangible assets acquired | asset               3        
Goodwill                 $ 1,783,870 1,783,870   $ 1,774,406
Change in acquisition-related contingent consideration                 (2,300) (2,300)    
VES Group, Inc.                        
Business Acquisition [Line Items]                        
Percentage of voting equity interests acquired               100.00%        
Cash consideration paid, net of cash acquired               $ 1,370,000        
Liabilities arising from contingencies               12,000        
Indemnification assets               6,000        
Liability for uncertainty in income taxes               12,300        
Goodwill                 872,363 872,363   864,176
Intangible assets                 664,000 664,000   $ 664,000
VES Group, Inc. | Indemnification Asset On Uncertain Tax Positions                        
Business Acquisition [Line Items]                        
Indemnification assets               $ 7,200        
Connect Assist                        
Business Acquisition [Line Items]                        
Percentage of voting equity interests acquired           100.00%            
Cash payment to acquire business           $ 19,400 £ 14.4          
Goodwill           11,300            
Intangible assets           $ 7,700            
Navient                        
Business Acquisition [Line Items]                        
Intangible assets         $ 16,700              
Contingent consideration         $ 18,500       16,400 16,400    
Amortization period         27 months              
Revenue contributed from acquired business                 47,500 129,200    
Gross profit contributed from acquired business                 8,800      
Gross profit contributed from acquired business                   7,500    
Navient | Selling, General and Administrative Expenses                        
Business Acquisition [Line Items]                        
Change in acquisition-related contingent consideration                 (2,300)      
Navient | Maximum                        
Business Acquisition [Line Items]                        
Contingent consideration         $ 65,000              
BZ Bodies Limited                        
Business Acquisition [Line Items]                        
Percentage of voting equity interests acquired     100.00%                  
Cash payment to acquire business     $ 2,900 £ 2.2                
Goodwill     1,500                  
Intangible assets     $ 1,300                  
Revenue contributed from acquired business                 1,600 2,700    
Gross profit contributed from acquired business                 700 1,300    
Stirling Institute of Australia Pty Ltd                        
Business Acquisition [Line Items]                        
Percentage of voting equity interests acquired 100.00%                      
Cash payment to acquire business $ 4,200 $ 5.8                    
Goodwill 2,200                      
Revenue contributed from acquired business                 300 300    
Gross profit contributed from acquired business                 $ 200 $ 200    
Intangible assets acquired $ 1,900