Summary of Redeemable Noncontrolling Interest (Detail) In Thousands, unless otherwise specified	9 Months Ended
Sep. 30, 2012 CNY	Sep. 30, 2012 USD ($)
Redeemable Noncontrolling Interest [Line Items]
Balance at December 31, 2011	935,978	$ 150,373
Net income	(45,961)
Other comprehensive income	(378)
Issuance of subsidiary shares	25,989
Accretion of redeemable noncontrolling interests	22,143
Share-based compensation	7,295
Balance at September 30, 2012	945,066	$ 150,373

- Definition

The carrying value (book value) of an entity's issued and outstanding stock which is not included within permanent equity in Stockholders Equity. Temporary equity is a security with redemption features that are outside the control of the issuer, is not classified as an asset or liability in conformity with GAAP, and is not mandatorily redeemable. Includes any type of security that is redeemable at a fixed or determinable price or on a fixed or determinable date or dates, is redeemable at the option of the holder, or has conditions for redemption which are not solely within the control of the issuer. If convertible, the issuer does not control the actions or events necessary to issue the maximum number of shares that could be required to be delivered under the conversion option if the holder exercises the option to convert the stock to another class of equity. If the security is a warrant or a rights issue, the warrant or rights issue is considered to be temporary equity if the issuer cannot demonstrate that it would be able to deliver upon the exercise of the option by the holder in all cases. Includes stock with a put option held by an ESOP and stock redeemable by a holder only in the event of a change in control of the issuer.

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