Annual report pursuant to Section 13 and 15(d)

COMMITMENTS AND CONTINGENT LIABILITIES (Details)

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COMMITMENTS AND CONTINGENT LIABILITIES (Details) (USD $)
In Thousands
12 Months Ended
Sep. 30, 2011
Sep. 30, 2010
Sep. 30, 2009
COMMITMENTS AND CONTINGENT LIABILITIES [Abstract]      
Annual rental expense under operating leases $ 16,323 $ 15,030 $ 14,881
Future minimum rental commitments under operating leases [Abstract]      
Fiscal year 2012 7,957    
Fiscal year 2013 5,478    
Fiscal year 2014 3,276    
Fiscal year 2015 1,947    
Fiscal year 2016 988    
Employment Agreements [Member]
     
Long-term Purchase Commitment [Line Items]      
Aggregate commitment amount for salaries $ 16,815