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EQUITY METHOD INVESTMENTS (Details) In Thousands, unless otherwise specified	Dec. 31, 2012 JYADK [Member] CNY	Dec. 31, 2011 JYADK [Member] CNY	Dec. 31, 2012 Beijing Proton Treatment Center [Member]	Oct. 19, 2012 Beijing Proton Treatment Center [Member] CNY	Dec. 31, 2011 Beijing Proton Treatment Center [Member]	Dec. 31, 2012 PTC - Houston Management LP [Member]	Dec. 28, 2012 PTC - Houston Management LP [Member] USD ($)	Dec. 28, 2012 PTC - Houston Management LP [Member] CNY	Dec. 31, 2011 PTC - Houston Management LP [Member]	Dec. 31, 2012 Chorus [Member]	Dec. 28, 2012 Chorus [Member] CNY	Dec. 17, 2012 Chorus [Member] CNY	Dec. 31, 2011 Chorus [Member]
Schedule of Equity Method Investments [Line Items]
Equity interest in equity method investment	33.00%	27.00%	25.00%	25.00%		45.00%	45.00%	45.00%		36.00%		36.00%
Purchase price of entity	120	540		25,000			$ 32,291	201,176			2,400	2,400
Voting interest acquired	6.00%

X

- Definition

The total cost of the acquired entity including the cash paid to shareholders of acquired entities, fair value of debt and equity securities issued to shareholders of acquired entities, the fair value of the liabilities assumed, and direct costs of the acquisition.

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-Number 141

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- Definition

Percentage of voting equity interests acquired in the business combination.

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



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