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Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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Net number of share options (or share units) granted during the period.

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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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Aggregate value of stock related to Restricted Stock Awards issued during the period.

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STOCK-BASED COMPENSATION (Details Textual) $ / shares in Units, ¥ in Thousands							1 Months Ended															12 Months Ended
	Sep. 01, 2018 $ / shares	Jun. 01, 2018 $ / shares	Mar. 01, 2018 $ / shares shares	Jan. 02, 2018 $ / shares shares	Oct. 02, 2017 $ / shares shares	Jan. 02, 2016 CNY (¥)	Mar. 31, 2019	Dec. 28, 2017 USD ($) $ / shares shares	Dec. 22, 2017 $ / shares shares	Jan. 31, 2017 $ / shares shares	Dec. 28, 2016 CNY (¥)	Aug. 31, 2016 shares	May 31, 2016 shares	Apr. 30, 2016 shares	Jan. 31, 2015 $ / shares shares	Dec. 22, 2014 CNY (¥) shares	Jan. 31, 2014 $ / shares shares	Jan. 31, 2013 $ / shares shares	Jan. 31, 2012 $ / shares shares	Jan. 31, 2011 $ / shares shares	Jan. 31, 2010 $ / shares shares	Sep. 30, 2018 CNY (¥) shares	Sep. 30, 2018 USD ($) $ / shares shares	Sep. 30, 2017 CNY (¥) shares	Sep. 30, 2016 CNY (¥) shares	Sep. 30, 2018 USD ($) shares	Sep. 30, 2017 USD ($) shares	Apr. 22, 2010 shares	Nov. 08, 2005 shares
Number of options granted																						2,500	2,500	0
Exercise price (USD) \| $ / shares																							$ 16.5
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period								5 days
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term																						4 years 2 months 1 day	4 years 2 months 1 day	4 years 10 months 24 days
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value \| $																											$ 265,000
Share-based compensation expense																						¥ 4,313	$ 627,000	¥ 5,404	¥ 8,796
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition																						5 months 23 days	5 months 23 days
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period																						22,500	22,500
Stock Issued During Period, Value, Restricted Stock Award, Gross \| $																							$ 167,925,000
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Share-based Awards Other than Options																						¥ 709					$ 0
Board of Directors Chairman [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Plan Modification, Incremental Compensation Cost \| ¥						¥ 542					¥ 982					¥ 616
Tranche 9 [Member]
Number of options granted																						0	0	0
Exercise price (USD) \| $ / shares																							$ 12.7
Tranche 10 [Member]
Number of options granted																						0	0	0
Exercise price (USD) \| $ / shares																							$ 14.8
Tranche 11 [Member]
Number of options granted																						0	0	0	18,500
Exercise price (USD) \| $ / shares																							$ 13.8
Tranche 12 [Member]
Number of options granted														60,000								0	0	0
Exercise price (USD) \| $ / shares																							$ 20.5
Tranche 13 [Member]
Number of options granted													20,000									0	0	0
Exercise price (USD) \| $ / shares																							$ 16.5
Tranche 14 [Member]
Number of options granted												20,000										0	0	0
Exercise price (USD) \| $ / shares																							$ 20.0
Tranche 15 [Member]
Number of options granted										18,000												0	0	18,000
Exercise price (USD) \| $ / shares										$ 20.7													$ 20.7
Tranche 16 [Member]
Number of options granted					2,500
Exercise price (USD) \| $ / shares					$ 16.5
Tranche 17 [Member]
Number of options granted									8,800
Exercise price (USD) \| $ / shares									$ 8.0
Tranche 18 [Member]
Number of options granted				29,000
Exercise price (USD) \| $ / shares				$ 9.1
Tranche 19 [Member]
Number of options granted			20,000
Exercise price (USD) \| $ / shares			$ 8.2
2005 Performance Equity Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized																													150,000
2005 Performance Equity Plan [Member] \| Tranche 5 [Member]
Number of options granted																					12,500
Exercise price (USD) \| $ / shares																					$ 122.3		20.7
2005 Performance Equity Plan [Member] \| Tranche 6 [Member]
Number of options granted																				12,000
Exercise price (USD) \| $ / shares																				$ 108.4
2005 Performance Equity Plan [Member] \| Tranche 7 [Member]
Number of options granted																			36,500
Exercise price (USD) \| $ / shares																			$ 25.5
2005 Performance Equity Plan [Member] \| Tranche 8 [Member]
Number of options granted																		36,000
Exercise price (USD) \| $ / shares																		$ 14.4
2005 Performance Equity Plan [Member] \| Tranche 9 [Member]
Number of options granted																	35,000
Exercise price (USD) \| $ / shares																	$ 12.7						$ 8.0
2005 Performance Equity Plan [Member] \| Tranche 10 [Member]
Number of options granted															19,500
Exercise price (USD) \| $ / shares															$ 14.8
2009 Performance Equity Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized																												150,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period								33,000
Stock Issued During Period, Value, Restricted Stock Award, Gross \| $								$ 287,100,000
Share Based Compensation Share Based Payment Award Vesting Date Commencement																						Jan. 03, 2018	Jan. 03, 2018
2014 Performance Equity Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized																500,000
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	1 year	1 year	1 year
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Stock Options \| ¥																						¥ 1,228		¥ 690
Share Price \| $ / shares	$ 6.6	$ 7.2	$ 8.6					$ 8.7
2014 Performance Equity Plan [Member] \| Vesting Date 1 [Member]
Share Based Compensation Share Based Payment Award Vesting Date Commencement							Mar. 01, 2019
2014 Performance Equity Plan [Member] \| Vesting Date 2 [Member]
Share Based Compensation Share Based Payment Award Vesting Date Commencement																						Jun. 01, 2019	Jun. 01, 2019
2014 Performance Equity Plan [Member] \| Vesting Date 3 [Member]
Share Based Compensation Share Based Payment Award Vesting Date Commencement																						Sep. 01, 2019	Sep. 01, 2019
Restricted Stock Units (RSUs) [Member]
Share-based compensation expense \| ¥																						¥ 2,272		¥ 0	¥ 0
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition																						8 months 15 days	8 months 15 days
Before Adjustment [Member] \| 2009 Performance Equity Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant																						70,000		70,000		70,000	70,000
Before Adjustment [Member] \| 2014 Performance Equity Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant																						211,300		151,000		211,300	151,000
Minimum [Member] \| After Adjustment [Member]
Share Based Compensation Arrangement By Share Based Payment Award Expiration Period																						5 years	5 years
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period																						1 year	1 year
Maximum [Member] \| After Adjustment [Member]
Share Based Compensation Arrangement By Share Based Payment Award Expiration Period																						10 years	10 years
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period																						5 years	5 years