Restatement of Previously Issued Financial Statements Impact of Restatement on Statements of Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Apr. 30, 2015	Apr. 30, 2014	Apr. 30, 2015	Apr. 30, 2014
Net Income (Loss) Attributable to Parent	$ 6,353	$ 8,129	$ 8,796	$ 13,068
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	10,910	$ 7,871	89	$ 12,403
Scenario, Previously Reported [Member]
Net Income (Loss) Attributable to Parent	7,195		10,868
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	11,752		2,161
Restatement Adjustment [Member]
Net Income (Loss) Attributable to Parent	(842)		(2,072)
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	$ (842)		$ (2,072)