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Property and Equipment (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Sep. 30, 2011
Property and equipment:
Data processing equipment and software	$ 161,215	$ 155,326
Office furniture and equipment	6,963	9,232
Leasehold improvements	21,341	19,268
Less: accumulated depreciation and amortization	(148,439)	(150,809)
Total	$ 41,080	$ 33,017

The cumulative amount of depreciation, depletion and amortization (related to property, plant and equipment, but not including land) that has been recognized in the income statement.

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- Definition

Amount, net of accumulated depreciation, depletion and amortization, of long-lived physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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