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RESTRUCTURING AND OTHER RELATED CHARGES (Detail) - Summary of restructuring and other related charges (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2010
Amounts incurred in the year ended:
Restructuring Charges	$ 4,689	$ 7,543	$ 4,180
Workforce Reduction [Member]
Amounts incurred in the year ended:
Restructuring Charges	4,204	3,789	602
Facilities And Exit Costs [Member]
Amounts incurred in the year ended:
Restructuring Charges	379	1,809	2,549
Other Related Costs [Member]
Amounts incurred in the year ended:
Restructuring Charges	$ 106	$ 1,945	$ 1,029

Amount charged against earnings in the period for incurred and estimated costs associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, excluding asset retirement obligations.

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