Auction Rate Securities (Tables)

12 Months Ended

Oct. 31, 2012

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 October 31, 2012 and 2011:

Assumption	October 31, 2012	October 31, 2011
Discount rates	L + 1.37% - L + 6.86%	L + 3.21% - L + 17.50%
Yields	2.15%, L + 2.00% - L + 3.50%	L + 2.00% - L + 3.50%
Average expected lives	4 - 10 years	4 - 10 years

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 for the years ended October 31, 2012 and 2011:

(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
(in thousands)	Cost Basis			Fair Value (Level 3)
Balance at November 1, 2010	$	23,307		$	20,171
Unrealized gains included in accumulated other comprehensive loss		—			499
Redemption of security by issuer		(5,000	)		(5,000	)
Balance at October 31, 2011	$	18,307		$	15,670