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Investments in U.S. Treasury Securities

3 Months Ended

Jan. 31, 2012

Investments in U.S. Treasury Securities [Abstract]

Note 4. Investments in U.S. Treasury Securities

We classify our investments as held-to-maturity and record them at amortized cost. These investments consist entirely of U.S. treasury securities. The following table summarizes the amortized cost basis and fair value (based on quoted market prices) at January 31, 2012 and October 31, 2011:


	Amortized cost		Gross unrealized gains		Gross unrealized (losses)		Fair value
*U.S. government obligations*
As of January 31, 2012	$	4,502	$	2	$	—	$	4,504
As of October 31, 2011	$	12,016	$	14	$	—	$	12,030

The contractual maturities of investments are within one year and the weighted average yield to maturity is 1.4%.

- Definition

The entire disclosure for investment holdings. This includes the long positions of investments for the entity. It contains investments in affiliated and unaffiliated issuers. The investments include securities and non securities (i.e. commodities and futures contracts).

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