GOODWILL AND OTHER INTANGIBLES (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2010
Amortization of Intangible Assets	$ 8,048	$ 7,867	$ 1,987
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months	7,892
Finite-Lived Intangible Assets, Amortization Expense, Year Two	7,658
Finite-Lived Intangible Assets, Amortization Expense, Year Three	7,483
Finite-Lived Intangible Assets, Amortization Expense, Year Four	7,355
Finite-Lived Intangible Assets, Amortization Expense, Year Five	7,265
Finite-Lived Intangible Assets, Amortization Expense, after Year Five	$ 112,568