XML 31 R7.htm IDEA: XBRL DOCUMENT  v2.3.0.11
Short-Term Investments
9 Months Ended
Apr. 30, 2011
Short-Term Investments  
Short-Term Investments

Note B – Short-Term Investments

          Classification of the Company's investments as current or non-current is dependent upon management's intended holding period, the investment's maturity date and liquidity considerations based on market conditions. If management intends to hold the investments for longer than one year as of the balance sheet date, they are classified as non-current.

          All short-term investments have original maturities in excess of three months but not more than six months. There were no short-term investments as of July 31, 2010. The following is a summary of amounts recorded on the Consolidated Balance Sheet for the Company's short-term investments as of April 30, 2011 (thousands of dollars):

 

 

 

 

 

 

 

April 30,
2011

 

Certificates of deposit

 

$

44,430

 

Commercial paper

 

 

27,398

 

Total short-term investments

 

$

71,828