Composition of Certain Financial Statement Captions - Property and Equipment (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Sep. 30, 2020
Property and equipment:
Data processing equipment and software	$ 86,144	$ 108,913
Office furniture and equipment	16,754	20,478
Leasehold improvements	22,068	25,239
Equipment under capital leases	0	6,489
Less: accumulated depreciation and amortization	(97,053)	(114,700)
Total	27,913	46,419
Accounts Receivable, after Allowance for Credit Loss, Noncurrent	37,452	54,074
Capitalized Contract Cost, Net, Noncurrent	44,932	38,579
Prepaid Expense	13,201	12,632
Other assets	$ 95,585	$ 105,285

Equipment and software, Gross

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- Definition

Equipment under Capital Leases

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- Definition

Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as noncurrent.

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Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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Amount, after accumulated amortization and accumulated impairment loss, of asset recognized from cost incurred to obtain or fulfill contract with customer; classified as noncurrent.

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Amount before accumulated depreciation of equipment commonly used in offices and stores that have no permanent connection to the structure of a building or utilities. Examples include, but are not limited to, desks, chairs, tables, and bookcases.

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Amount before accumulated depreciation of additions or improvements to assets held under a lease arrangement.

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Amount of noncurrent assets classified as other.

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Sum of the carrying amounts as of the balance sheet date of amounts paid in advance for expenses which will be charged against earnings in periods after one year or beyond the operating cycle, if longer.

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Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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