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INCOME TAXES (Schedule of Effective Income Tax Rate Reconciliation) (Details)
12 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2013
Income Tax Disclosure [Abstract]      
Statutory income tax rate 35.00% 35.00% 35.00%
Resolution of prior period tax items 0.00% 0.00% 0.00%
Increase in tax rate resulting from:      
Valuation allowance 0.00% 2.00% 1.00%
Increases to the reserve for uncertain tax positions 0.00% 1.00% 0.00%
Effective Income Tax Rate Reconciliation, Release of Deferred Tax Assets Valuation Allowance (3.00%) 0.00% 0.00%
Decrease in tax rate resulting from:      
Foreign tax rate differentials, net of foreign tax credit utilization (22.00%) (24.00%) (23.00%)
Effective income tax rate 10.00% 14.00% 13.00%