INCOME TAXES (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2010
Income Tax Benefits Reflected Reversal Of Previously Recorded Tax Liabilities	$ (3,356)	$ (733)	$ (2,740)
Undistributed Earnings of Foreign Subsidiaries	75,189
Potential Tax Benefits Impact On Effective Tax Rate	8,605
Liability for Uncertain Tax Positions, Current	2,141	2,586
Federal Tax Purposes [Member]
Operating Loss Carryforwards	0	51,000
Non U S Tax Purposes [Member]
Operating Loss Carryforwards	75,400	54,500
State and Local Jurisdiction [Member]
Operating Loss Carryforwards	6,303	5,900
Foreign Tax Authority [Member]
Operating Loss Carryforwards	$ 3,361	$ 13,291