DEFINED BENEFIT PENSION EXPENSE (Detail) - Summary of defined benefit pension expense (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Service cost	$ 46	$ 88	$ 150	$ 263
Interest cost	2,652	2,792	7,988	8,370
Expected return on plan assets	(2,918)	(2,843)	(8,782)	(8,524)
Amortization:
Prior service cost	84	84	252	252
Recognized actuarial loss	718	571	2,154	1,713
Net periodic expense	$ 582	$ 692	$ 1,762	$ 2,074