XML 37 R17.htm IDEA: XBRL DOCUMENT v2.4.0.6
INCOME TAXES
6 Months Ended
Jun. 30, 2012
Income Tax Disclosure  
INCOME TAXES
10.   INCOME TAXES
 
The Company determines its periodic income tax benefit or expense based upon the current period income and the annual estimated tax rate for the Company adjusted for any change to prior period estimates. The estimated tax rate is revised, if necessary, as of the end of each successive interim period during the fiscal year to the Company’s current annual estimated tax rate.
 
For the three months ended June 30, 2012, the income tax provision reflects an effective tax rate of 38.9 percent, compared to an effective tax rate of 38.1 percent for the comparable period in the prior year.  For the six months ended June 30, 2012, the income tax provision reflects an effective tax rate of 38.7 percent, compared to an effective tax rate of 38.0 percent for the comparable period in the prior year.