Nature of Business and Summary of Significant Accounting Policies (Tables)

12 Months Ended

Sep. 30, 2018

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 to 6 years
Office furniture and equipment	3 to 7 years
Leasehold improvements	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 to 10 years
Customer contracts and relationships	5 to 15 years
Trade names	3 years