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INVESTMENTS (Details 2) $ in Millions		1 Months Ended				9 Months Ended
	Jun. 30, 2015	Jul. 31, 2015 director	Jun. 30, 2014 USD ($) shares	Feb. 28, 2013 USD ($) shares	Oct. 31, 2012 USD ($) shares	Sep. 30, 2014 CNY (¥)
NON-CONTROLLING INTERESTS
Aggregate consideration from issuance of convertible preferred shares | ¥						¥ 164,565,161
Tujia
NON-CONTROLLING INTERESTS
Percentage of interest before sale of redeemable convertible preferred shares	50.00%	50.00%
Percentage of interest after sale of redeemable convertible preferred shares		45.00%
Number Of Seats Allocated | director		6
Number Of Board Of Directors Seats | director		12
Tujia | Series A preferred shares
NON-CONTROLLING INTERESTS
Shares issued under the share purchase agreement (in shares) | shares					70,380,000
Aggregate consideration from issuance of convertible preferred shares | $					$ 14.6
Tujia | Series B Preferred Shares
NON-CONTROLLING INTERESTS
Shares issued under the share purchase agreement (in shares) | shares				33,333,333
Aggregate consideration from issuance of convertible preferred shares | $				$ 36.7
Tujia | Series C Preferred Stock
NON-CONTROLLING INTERESTS
Shares issued under the share purchase agreement (in shares) | shares			30,465,080
Aggregate consideration from issuance of convertible preferred shares | $			$ 75.0

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3255-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Financing Activities
-URI http://asc.fasb.org/extlink&oid=6513228

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644

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