Company:  SONIC CORP (SONC)
Form Type:  10-K
Filing Date:  10/28/2011 
CIK:  0000868611 
Address:  300 JOHNNY BENCH DRIVE 
City, State, Zip:  OKLAHOMA CITY, Oklahoma 73104 
Telephone:  (405) 225-5000 
Fiscal Year:  08/31 
Last Trade
Last Trade: 
$20.43  
Change: 
-0.62 (-2.95%)  
Trade Time: 
Apr 23  
Market Cap: 
$1.11B
Description of Business
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  FORM 10-K
    PART I
      Item 1. Business
      Item 1A. Risk Factors
      Item 1B. Unresolved Staff Comments
      Item 2. Properties
      Item 3. Legal Proceedings
        NAME AND TITLE
    PART II
      Item 5. Market for the Company's Common Equity, Related ...
      Item 6. Selected Financial Data
      Item 7. Management's Discussion and Analysis of Financial ...
        Results of Operations
      Item 7A. Quantitative and Qualitative Disclosures About ...
      Item 8. Financial Statements and Supplementary Data
      Item 9. Changes in and Disagreements with Accountants on ...
      Item 9A. Controls and Procedures
      Report of Independent Registered Public Accounting Firm
      Item 9B. Other Information
    PART III
      Item 10. Directors, Executive Officers and Corporate Governance
      Item 11. Executive Compensation
      Item 12. Security Ownership of Certain Beneficial Owners and ...
      Item 13. Certain Relationships and Related Transactions, and ...
      Item 14. Principal Accounting Fees and Services
    PART IV
      Item 15. Exhibits and Financial Statement Schedules
    Report of Independent Registered Public Accounting Firm
    BALANCE SHEET
    BALANCE SHEET
    INCOME STATEMENT
    STOCKHOLDERS EQUITY
    STOCKHOLDERS EQUITY
    CASH FLOW
    Notes to Consolidated Financial Statements
    VALUATION AND QUALIFYING ACCOUNTS
    SIGNATURES
    EXHIBIT INDEX
  EXHIBIT 10.21
  EXHIBIT 10.26
  EXHIBIT 21.01
  EXHIBIT 23.01
    Consent of Independent Registered Public Accounting Firm
  EXHIBIT 31.01
    CERTIFICATION PURSUANT TO
  EXHIBIT 31.02
    CERTIFICATION PURSUANT TO
  EXHIBIT 32.01
    CERTIFICATION PURSUANT TO
  EXHIBIT 32.02
    CERTIFICATION PURSUANT TO
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