Consolidated Statements of Comprehensive Income (Loss) (Parenthetical) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Jul. 31, 2013	Jul. 31, 2012	Jul. 31, 2013	Jul. 31, 2012
Statement of Other Comprehensive Income [Abstract]
Change in value of derivative instruments, tax	$ 260	$ (35)	$ 647	$ 147
Additional minimum pension liability, tax	0	0	0	0
Unrealized (loss) gain on marketable securites, tax	(3)	(9)	22	20
Reclassification of realized gain on marketable securities to net income, tax	$ 51	$ 0	$ 51	$ 0