CONCENTRATION OF RISK, Long lived assets by geographic area (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Sep. 30, 2011
CONCENTRATION OF RISK [Abstract]
Noncurrent Assets United States	$ 11,743	$ 10,841
Noncurrent Assets Ireland	107,020
Noncurrent Assets Other	$ 317	$ 392