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SHARE OPTION PLANS (Details Textual)
 12 Months Ended 12 Months Ended 12 Months Ended 12 Months Ended 12 Months Ended 12 Months Ended 12 Months Ended 12 Months Ended 1 Months Ended 12 Months Ended 12 Months Ended 1 Months Ended 12 Months Ended
Sep. 30, 2012
USD ($)
Sep. 30, 2012
CNY
Sep. 30, 2011
CNY
Sep. 30, 2010
CNY
Sep. 30, 2011
USD ($)
Sep. 30, 2012
Tranche 1 [Member]
USD ($)
Sep. 30, 2011
Tranche 1 [Member]
Sep. 30, 2010
Tranche 1 [Member]
Sep. 30, 2012
Tranche 2 [Member]
USD ($)
Sep. 30, 2011
Tranche 2 [Member]
Sep. 30, 2010
Tranche 2 [Member]
Sep. 30, 2012
Tranche 3 [Member]
USD ($)
Sep. 30, 2011
Tranche 3 [Member]
Sep. 30, 2010
Tranche 3 [Member]
Sep. 30, 2012
Tranche 4 [Member]
USD ($)
Sep. 30, 2011
Tranche 4 [Member]
Sep. 30, 2010
Tranche 4 [Member]
Sep. 30, 2012
Tranche 5 [Member]
USD ($)
Sep. 30, 2011
Tranche 5 [Member]
Sep. 30, 2010
Tranche 5 [Member]
Sep. 30, 2012
Tranche 6 [Member]
USD ($)
Sep. 30, 2011
Tranche 6 [Member]
Sep. 30, 2010
Tranche 6 [Member]
Sep. 30, 2012
Tranche 7 [Member]
USD ($)
Sep. 30, 2011
Tranche 7 [Member]
Sep. 30, 2010
Tranche 7 [Member]
Sep. 14, 2009
2005 Performance Equity Plan [Member]
USD ($)
Nov. 08, 2005
2005 Performance Equity Plan [Member]
Nov. 30, 2005
2005 Performance Equity Plan [Member]
Tranche 1 [Member]
USD ($)
Oct. 31, 2007
2005 Performance Equity Plan [Member]
Tranche 2 [Member]
USD ($)
Mar. 31, 2008
2005 Performance Equity Plan [Member]
Tranche 3 [Member]
USD ($)
Jun. 30, 2008
2005 Performance Equity Plan [Member]
Tranche 4 [Member]
USD ($)
Jan. 31, 2010
2005 Performance Equity Plan [Member]
Tranche 5 [Member]
USD ($)
Jan. 31, 2011
2005 Performance Equity Plan [Member]
Tranche 6 [Member]
USD ($)
Jan. 31, 2012
2005 Performance Equity Plan [Member]
Tranche 7 [Member]
USD ($)
Apr. 22, 2010
2009 Performance Equity Plan [Member]
Sep. 30, 2012
Before Adjustment [Member]
Sep. 30, 2012
Before Adjustment [Member]
2005 Performance Equity Plan [Member]
Sep. 30, 2012
Before Adjustment [Member]
2009 Performance Equity Plan [Member]
Sep. 30, 2012
After Adjustment [Member]
Sep. 30, 2011
After Adjustment [Member]
Sep. 14, 2009
After Adjustment [Member]
Sep. 30, 2009
After Adjustment [Member]
2005 Performance Equity Plan [Member]
Tranche 1 [Member]
USD ($)
Sep. 14, 2009
After Adjustment [Member]
2005 Performance Equity Plan [Member]
Tranche 1 [Member]
USD ($)
Sep. 14, 2009
After Adjustment [Member]
Restricted Stock [Member]
Sep. 30, 2012
Minimum [Member]
Before Adjustment [Member]
Sep. 30, 2012
Minimum [Member]
After Adjustment [Member]
USD ($)
Sep. 30, 2012
Maximum [Member]
Before Adjustment [Member]
Sep. 30, 2012
Maximum [Member]
After Adjustment [Member]
USD ($)
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized                                                       1,500,000               1,500,000                          
Number of options granted           0 0   0 0   0 0   0 0   0 0   0 120,000   0 0       974,000 20,000 381,000 10,000 125,000 120,000 365,000                            
Exercise price (USD)           $ 8.75 [1]     $ 9.27     $ 5.30 [2]     $ 6.64     $ 12.23     $ 10.84     $ 2.55         $ 8.75 $ 9.27 $ 5.30 $ 6.64 $ 12.23 $ 10.84 $ 2.55               $ 4.00       $ 4.00   $ 12.23
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Date                                                         Nov. 08, 2010 Oct. 22, 2012                                      
Share Based Compensation Arrangement By Share Based Payment Award Award Expiration Period                                                                         5 years     5 years                  
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period                                                                                           1 year 1 year 5 years 5 years
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant                                                                           259,500 480,000                    
Share Based Compensation Arrangement By Share Based Payment Award Weighted Average Fair Value                                                     $ 2.66                                 $ 0          
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number           0 0 64,400 5,000 5,000 5,000 0 130,167 156,167 10,000 10,000 10,000 120,000 120,000 125,000 115,000 120,000 0 365,000 0 0                               214,120     89,300        
Issuance of common stock upon exercise of share options (in shares)           0 64,400   0 0   0 (26,000)   0 0   0 0   0 0   0 0                             0 90,400                
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term 3 years 25 days 3 years 25 days 2 years 10 months 28 days                                                                                            
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value $ 0       $ 0                                                                                        
Share-based compensation expense 525,000 3,327,000 4,638,000 4,868,000                                                                                          
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Stock Options   769,000 942,000                                                                                            
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition 3 months 4 days 3 months 4 days                                                                                              
[1] Tranche 1 was modified on September 14, 2009. The exercise price modified to USD 4.00 and the fair value was USD 2.66 at the modified date.
[2] Tranche 3 consists of different vesting structures. The expected option life and fair value presented above are weighted average numbers.