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Investments And Restricted Investments
6 Months Ended
Jul. 30, 2011
Investments And Restricted Investments  
Investments And Restricted Investments
Note B: Investments and Restricted Investments
 
The amortized cost and fair value of the Company's available-for-sale securities as of July 30, 2011 were:
 

The amortized cost and fair value of the Company's available-for-sale securities as of January 29, 2011 were:
 

The amortized cost and fair value of the Company's available-for-sale securities as of July 31, 2010 were:
 

Accounting standards pertaining to fair value measurements establish a three-tier fair value hierarchy, which prioritizes the inputs used in measuring fair value. These tiers include: Level 1, defined as observable inputs such as quoted prices in active markets; Level 2, defined as inputs other than quoted prices in active markets that are either directly or indirectly observable; and Level 3, defined as unobservable inputs in which little or no market data exists, therefore requiring an entity to develop its own assumptions. This fair value hierarchy also requires the Company to maximize the use of observable inputs and minimize the use of unobservable inputs when measuring fair value. Corporate, U.S. government and agency, and mortgage-backed securities are classified within Level 1 or Level 2 because these securities are valued using quoted market prices or alternative pricing sources and models utilizing market observable inputs.
 
Investments and restricted investments measured at fair value at July 30, 2011 are summarized below:
 
 
Investments measured at fair value at January 29, 2011 are summarized below:
 
 
Investments measured at fair value at July 31, 2010 are summarized below:
 
 
The maturities of investment securities at July 30, 2011 were:
 
                       
    Investments   Restricted Investments
          Estimated         Estimated
($000)       Cost basis       fair value       Cost basis       fair value
Maturing in one year or less   $ 915   $ 959   $       1,002   $  1,004
Maturing after one year through five years            3,183               3,277     1,499         1,622
Maturing after five years through ten years     2,578     2,966     3,636     3,865
    $  6,676   $  7,202   $ 6,137   $ 6,491
                         

The underlying assets in the Company's non-qualified deferred compensation program totaling $69.0 million as of July 30, 2011 (included in other long-term assets and in other long-term liabilities) primarily consist of participant directed money market, stable value, stock, and bond funds. The fair value measurement for funds with quoted market prices in active markets (Level 1) totaled $59.3 million as of July 30, 2011. The fair value measurement for funds without quoted market prices in active markets (Level 2) totaled $9.7 million as of July 30, 2011. Fair market value for these Level 2 funds is considered to be the sum of participant funds invested under a group annuity contract plus accrued interest.