STOCKHOLDERS' EQUITY AND EQUITY COMPENSATION (Detail) - Stock options activity range of exercise prices (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2009
Options Outstanding Shares (in Shares)	929,761	1,169,661	1,544,221	1,690,339
Options Outstanding Weighted Average Exercise Price	$ 18.73	$ 17.50	$ 15.42	$ 15.18
Aggregated Intrinsic Value (in Dollars)	$ 0	$ 1,667	$ 1,667
Weighted Average Contractual Term	3 years 146 days	3 years 255 days	3 years 328 days
Stock Option One [Member]
Range of Exercises Prices Minimum	$ 12.39
Range of Exercises Prices Maximum	$ 14.78
Options Outstanding Shares (in Shares)	189,526
Options Outstanding Weighted Average Exercise Price	$ 12.78
Aggregated Intrinsic Value (in Dollars)	0
Weighted Average Contractual Term	292 days
Stock Option Two [Member]
Range of Exercises Prices Minimum	$ 17.23
Range of Exercises Prices Maximum	$ 19.49
Options Outstanding Shares (in Shares)	185,535
Options Outstanding Weighted Average Exercise Price	$ 17.69
Aggregated Intrinsic Value (in Dollars)	0
Weighted Average Contractual Term	2 years 73 days
Stock Option Three [Member]
Range of Exercises Prices Minimum	$ 20.00
Range of Exercises Prices Maximum	$ 26.06
Options Outstanding Shares (in Shares)	554,700
Options Outstanding Weighted Average Exercise Price	$ 21.11
Aggregated Intrinsic Value (in Dollars)	$ 0
Weighted Average Contractual Term	4 years 219 days