DEFINED BENEFIT PENSION EXPENSE (Detail) - Summary of defined benefit pension expense (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Service cost	$ 50	$ 52
Interest cost	2,425	2,670
Expected return on plan assets	(3,138)	(2,933)
Amortization:
Prior service cost	5	83
Recognized actuarial loss	840	718
Loss on pension settlement	2,142	0
Net periodic expense	$ 2,324	$ 590