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Earnings Per Share
 12 Months Ended
Dec. 31, 2014
Earnings Per Share [Abstract]  
Earnings Per Share
15. EARNINGS PER SHARE

Basic and diluted earnings per share for each of the years presented are calculated as follows:

 

          Year ended December 31,  
    2012     2013     2014  
    Ordinary shares     Class A     Class B     Class A     Class A     Class B     Class B  
    RMB     RMB     RMB     RMB     US$     RMB     US$  

Basic earnings per share:

              

Numerator:

              

Net income

     212,881        142,053        314,109        270,988        43,675        477,692        76,990   

Denominator:

              

Weighted average ordinary shares outstanding

     100,000,000        31,109,214        68,788,940        38,633,284        38,633,284        68,102,019        68,102,019   
 

 

 

    

 

 

    

 

 

    

 

 

    

 

 

    

 

 

    

 

 

  

Basic earnings per share

   2.13      4.57      4.57      7.01      1.13      7.01      1.13   
 

 

 

    

 

 

    

 

 

    

 

 

    

 

 

    

 

 

    

 

 

  

Diluted earnings per share:

Numerator:

Net income

   212,881      155,394      300,768      296,797      47,835      451,883      72,830   

Reallocation of net income as a result of conversion of Class B into Class A ordinary shares (Note 13)

   —        300,768      —        451,883      72,830      —        —     
 

 

 

    

 

 

    

 

 

    

 

 

    

 

 

    

 

 

    

 

 

  

Net income

   212,881      456,162      300,768      748,680      120,665      451,883      72,830   
 

 

 

    

 

 

    

 

 

    

 

 

    

 

 

    

 

 

    

 

 

  

Denominator:

Weighted average ordinary shares outstanding

   100,000,000      31,109,214      68,788,940      38,633,284      38,633,284      68,102,019      68,102,019   

Conversion of Class B into Class A ordinary shares (Note 13)

   —        68,788,940      —        68,102,019      68,102,019      —        —     

Dilutive effect of share-based awards

   650,652      4,431,072      —        6,096,282      6,096,282      —        —     
 

 

 

    

 

 

    

 

 

    

 

 

    

 

 

    

 

 

    

 

 

  

Weighted-average number of shares outstanding- diluted

   100,650,652      104,329,226      68,788,940      112,831,585      112,831,585      68,102,019      68,102,019   
 

 

 

    

 

 

    

 

 

    

 

 

    

 

 

    

 

 

    

 

 

  

Diluted earnings per share

   2.12      4.37      4.37      6.64      1.07      6.64      1.07   
 

 

 

    

 

 

    

 

 

    

 

 

    

 

 

    

 

 

    

 

 

  

The effects of 2,048,849, 43,846 and nil stock options were excluded from the calculation of diluted earnings per share as their effect would have been anti-dilutive during the years ended December 31, 2012, 2013 and 2014, respectively. The effects of 62,637 and 300,185 restricted shares were excluded from the calculation of diluted earnings per share as their effect would have been anti-dilutive during the year ended December 31, 2013 and 2014.