Components of Other Selected Captions in Consolidated Balance Sheets (Detail) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Sep. 30, 2011
Other Assets and Other Liabilities [Line Items]
Accounts receivable	$ 88,077	$ 77,318
Less allowances	780	617
Accounts receivable, net	87,297	76,701
Inventories, net
Raw materials and purchased parts	67,810	65,770
Work-in-process	22,304	29,460
Finished goods	16,705	12,424
Inventories, net	$ 106,819	$ 107,654

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Amounts due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer) for goods or services (including trade receivables) that have been delivered or sold in the normal course of business.

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