Auction Rate Securities (Tables)

3 Months Ended

Jan. 31, 2014

Investments, Debt and Equity Securities [Abstract]

Significant Assumptions Used to Determine Fair Value of Auction Rate Securities

The following table presents the significant assumptions used to determine the fair values of our auction rate securities at January 31, 2014 and October 31, 2013:

Assumption	January 31, 2014	October 31, 2013
Discount rates	L + 0.39% - L + 3.56%	L + 0.33% - L + 3.01%
Yields	2.15%, L + 2.00%	2.15%, L + 2.00%
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 table presents the changes in the cost basis and fair value of our auction rate securities as of October 31, 2013:

(in thousands)	Amortized Cost Basis			Fair Value (Level 3)
Balance at November 1, 2012	$	17,994		$	17,780
Unrealized gains recorded in AOCL	—			214
Redemption of security by issuer	(5,000		)	(5,000		)
Balance at October 31, 2013	$	12,994		$	12,994