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Nature of Business and Summary of Significant Accounting Policies (Tables)
 12 Months Ended
Sep. 30, 2020
Accounting Policies [Abstract]  
Estimated Useful Life of Property and Equipment Depreciation and amortization charges are calculated using the straight-line method over the following estimated useful lives:
 
 
Estimated Useful Life
Data processing equipment and software
3 years
to
6 years
Office furniture and equipment
3 years
to
7 years
Leasehold improvements
Shorter of estimated
useful life or lease term
Equipment under capital lease
Shorter of estimated
useful life or lease term
Estimated Useful Life of Definite-Lived Intangible Assets
We amortize our finite-lived intangible assets which result from our acquisitions over the following estimated useful lives:
 
Estimated Useful Life
Completed technology
4 years
to
10 years
Customer contracts and relationships
5 years
to
10 years
Trade names
1 year
to
3 years
Non-compete agreements
2 years