Auction Rate Securities (Tables)

3 Months Ended

Jan. 31, 2013

Significant Assumptions Used to Determine Fair Value of Auction Rate Securities

The following table presents the significant assumptions used to determine the fair value of the Company’s auction rate securities at January 31, 2013 and October 31, 2012:

Assumption	January 31, 2013	October 31, 2012
Discount rates	L + 1.29% – L + 5.53%	L + 1.37% – L + 6.86%
Yields	2.15%, L + 2.00% – L + 3.50%	2.15%, L + 2.00% – L + 3.50%
Average expected lives	4 – 10 years	4 – 10 years

L - One Month LIBOR

Changes in Cost Basis and Fair Value of Auction Rate Securities

The following tables present the changes in the cost basis and fair value of the Company’s auction rate securities as of January 31, 2013 and October 31, 2012:

(in thousands)	Cost Basis			Fair Value (Level  3)
Balance at November 1, 2012	$	17,994		$	17,780
Unrealized gains included in accumulated other comprehensive loss		—			52
Balance at January 31, 2013	$	17,994		$	17,832
(in thousands)	Cost Basis			Fair Value (Level  3)
Balance at November 1, 2011	$	18,307		$	15,670
Unrealized gains included in accumulated other comprehensive loss		—			2,110
Other-than-temporary credit loss recognized in earnings		(313	)		—
Balance at October 31, 2012	$	17,994		$	17,780