RESTRUCTURING AND OTHER RELATED CHARGES (Detail) - Summary of accrued liability for the restructuring and related charges (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Accrued liability	$ 3,640
Charges	1,108	1,795
Payments	(1,411)
Accrued liability	3,337
Workforce Reduction [Member]
Accrued liability	3,500
Charges	994	1,538
Payments	(1,157)
Accrued liability	3,337
Facilities And Exit Costs [Member]
Accrued liability	140
Charges	39	257
Payments	(179)
Other Related Costs [Member]
Accrued liability	0
Charges	75	0
Payments	(75)
Accrued liability	$ 0