COMMITMENTS AND CONTINGENT LIABILITIES (Additional Information) (Detail) - USD ($) $ in Millions	Sep. 30, 2016	Sep. 30, 2015
Letters of Credit Outstanding, Amount	$ 3.7	$ 3.9

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

No definition available.

Name:	us-gaap_LettersOfCreditOutstandingAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant