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RESTATEMENT OF UNAUDITED INTERIM CONSOLIDATED CONDENSED FINANCIAL STATEMENTS (Tables)
9 Months Ended
Sep. 30, 2012
RESTATEMENT OF UNAUDITED INTERIM CONSOLIDATED CONDENSED FINANCIAL STATEMENTS  
Schedule of the error on the consolidated condensed balance sheets and the consolidated condensed statements of cash flows
  As of September 30, 2011  
Balance Sheets
  As Reported   As Restated  
 
  (in millions)
 

Cash and cash equivalents

  $ 451.1   $ 244.0  

Short-term investments

        207.1  
           

Total

  $ 451.1   $ 451.1  
           


 

 
  Nine Months Ended
September 30, 2011
 
Statements of Cash Flows
  As Reported   As Restated  
 
  (in millions)
 

Cash flows from investing activities

             

Purchases of short-term investments

        (454.0 )

Proceeds from short-term investments

        237.2  

Net cash used in investing activities

    (81.4 )   (298.2 )

Effect of currency exchange rate changes on cash and cash equivalents

    3.2     12.9  

Net increase (decrease) in cash and cash equivalents

    55.0     (152.1 )

Cash and cash equivalents at end of period

    451.1     244.0  

   

 
  Nine Months Ended
September 30, 2011
 
Statements of Cash Flows
  As Reported   As Restated  
 
  (in millions)
 

Cash flows from operating activities

             

Excess tax benefit from stock plans

  $ (47.0 ) $ (3.6 )

Net cash provided by operating activities

    171.4     214.8  

Cash flows from financing activities

             

Excess tax benefit from stock plans

    47.0     3.6  

Net cash used in financing activities

    (38.2 )   (81.6 )