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Income Taxes (Tables)
3 Months Ended
Jul. 25, 2014
Effective Tax Rates

Our effective tax rates for the periods presented were as follows:

 

     Three Months Ended  
     July 25, 2014     July 26, 2013  

Effective tax rates

     44.6     11.6
Unrecognized Tax Benefits

A reconciliation of the beginning and ending amount of unrecognized tax benefits is as follows (in millions):

 

     Three Months Ended  
     July 25,
2014
    July 26,
2013
 

Balance at beginning of period

   $ 235.9      $ 189.6   

Additions based on tax positions related to the current year

     6.8        7.2   

Additions for tax positions of prior years

     98.7        1.0   

Decreases for tax positions of prior years

     (18.6     (3.5

Settlements

     (45.5     0.0   
  

 

 

   

 

 

 

Balance at end of period

   $ 277.3      $ 194.3