Consolidated Statements of Comprehensive Income (Loss) (Parenthetical) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Apr. 30, 2014	Apr. 30, 2013	Apr. 30, 2014	Apr. 30, 2013
Statement of Comprehensive Income [Abstract]
Change in value of derivative instruments, tax	$ 175	$ 156	$ 397	$ 387
Minimum Pension Liability, tax	0	0	0	0
Unrealized gain on marketable securities, tax	$ 0	$ 13	$ 0	$ 25