Condensed Consolidated Comprehensive Income (Loss) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Jul. 31, 2013	Jul. 31, 2012	Jul. 31, 2013	Jul. 31, 2012
Net loss	$ (1,231)	$ (29,817)	$ (75,634)	$ (105,250)
Change in unrealized gain (loss) on available-for-sale securities, net of tax	14	(40)	(17)	(119)
Change in unrealized gain (loss) on foreign currency forward contracts, net of tax	(508)	(214)	(625)	22
Change in accumulated translation adjustments	(1,498)	(2,250)	(2,542)	(4,462)
Total comprehensive loss	$ (3,223)	$ (32,321)	$ (78,818)	$ (109,809)