RESTRUCTURING AND OTHER RELATED CHARGES (Detail) - Summary of restructuring and other related charges (USD $) In Thousands, unless otherwise specified	3 Months Ended						9 Months Ended
	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2010	Jun. 30, 2012	Jun. 30, 2011
Amounts incurred in:
Amounts incurred in	$ 0	$ 0	$ 1,795	$ 2,118	$ 1,212	$ 1,393	$ 1,795	$ 4,723
Workforce Reduction [Member]
Amounts incurred in:
Amounts incurred in	0	0	1,538	1,134	61	239	1,538	1,434
Facilities And Exit Costs [Member]
Amounts incurred in:
Amounts incurred in	0	0	257	450	470	791	257	1,711
Other Related Costs [Member]
Amounts incurred in:
Amounts incurred in	$ 0	$ 0	$ 0	$ 534	$ 681	$ 363	$ 0	$ 1,578