v2.4.0.6
Fair Value Measurements (Tables)
9 Months Ended
Apr. 28, 2012
Summary of Financial Assets Measured at Fair Value on Recurring Basis

The following table summarizes the Company’s financial assets measured at fair value on a recurring basis:

 

    April 28,     July 30,  
    2012     2011  
    (millions)  
Financial assets carried at fair value:            
Municipal bonds(a)   $ 237.0     $ 179.2  
Auction rate securities(b)     9.6       12.0  
Total   $ 246.6     $ 191.2  

 

 
(a) Based on Level 1 measurements.
(b) Based on Level 3 measurements.
Reconciliation of Beginning and Ending Balances of Investment Securities Measured at Fair Value using Significant Unobservable Inputs (Level 3)

The following table provides a reconciliation of the beginning and ending balances of the investment securities measured at fair value using significant unobservable inputs (Level 3):

 

    Three Months Ended     Nine Months Ended  
    April 28,     April 30,     April 28,     April 30,  
Level 3 (Unobservable inputs)   2012     2011     2012     2011  
    (millions)  
Balance at beginning of period   $ 8.9     $ 14.1     $ 12.0     $ 22.7  
Change in temporary valuation adjustment included in other comprehensive income     1.0       0.1       1.3       1.0  
Redemptions at par     (0.3 )     (0.2 )     (3.7 )     (9.7 )
Balance at end of period   $ 9.6     $ 14.0     $ 9.6     $ 14.0