Intangible Assets (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended			3 Months Ended				12 Months Ended		12 Months Ended		12 Months Ended		3 Months Ended		12 Months Ended		3 Months Ended	12 Months Ended		3 Months Ended	12 Months Ended
	Jan. 31, 2014	Jan. 31, 2013	Oct. 31, 2013	Jan. 31, 2014 Trade Name, Finite Intangible Asset [Member]	Jan. 31, 2014 Noncompete Agreements [Member]	Jan. 31, 2014 Customer Relationships [Member]	Jul. 31, 2013 Plesant Prairie [Member]	Oct. 31, 2013 Plesant Prairie [Member] Trade Name, Finite Intangible Asset [Member]	Jan. 31, 2014 Plesant Prairie [Member] Trade Name, Finite Intangible Asset [Member]	Oct. 31, 2013 Plesant Prairie [Member] Noncompete Agreements [Member]	Jan. 31, 2014 Plesant Prairie [Member] Noncompete Agreements [Member]	Oct. 31, 2013 Plesant Prairie [Member] Customer Relationships [Member]	Jan. 31, 2014 Plesant Prairie [Member] Customer Relationships [Member]	Oct. 31, 2013 Contech [Member]	Oct. 31, 2013 Contech [Member] Trade Name, Finite Intangible Asset [Member]	Oct. 31, 2013 Contech [Member] Trade Name, Finite Intangible Asset [Member]	Jan. 31, 2014 Contech [Member] Trade Name, Finite Intangible Asset [Member]	Oct. 31, 2013 Contech [Member] Trademarks [Member]	Oct. 31, 2013 Contech [Member] Trademarks [Member]	Jan. 31, 2014 Contech [Member] Trademarks [Member]	Oct. 31, 2013 Contech [Member] Developed Technology Rights [Member]	Oct. 31, 2013 Contech [Member] Developed Technology Rights [Member]	Jan. 31, 2014 Contech [Member] Developed Technology Rights [Member]
Finite-Lived Intangible Assets [Line Items]
Useful Life				15 years	2 years	13 years	15 years	15 years		2 years		13 years		15 years	0 years 3 months	0 years 3 months		10 years	10 years		5 years	5 years
Cost	$ 18,954		$ 18,954					$ 1,850	$ 1,850	$ 744	$ 744	$ 13,462	$ 13,462		$ 25	$ 25	$ 25	$ 166	$ 166	$ 166	$ 2,707	$ 2,707	$ 2,707
Accumulated Amortization	(1,894)		(1,349)					(103)	(134)	(310)	(403)	(771)	(1,053)		(25)	(25)	(25)	(4)	(4)	(8)	(136)	(136)	(271)
Net	17,060		17,605					1,747	1,716	434	341	12,691	12,409		0	0	0	162	162	158	2,571	2,571	2,436
Amortization of Intangible Assets	$ 545	$ 112