Acquisitions Contech Intangibles (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		3 Months Ended	12 Months Ended		3 Months Ended		3 Months Ended		12 Months Ended		3 Months Ended	12 Months Ended
	Oct. 31, 2013 Contech [Member]	Aug. 02, 2013 Contech [Member]	Oct. 31, 2013 Developed Technology Rights [Member] Contech [Member]	Oct. 31, 2013 Developed Technology Rights [Member] Contech [Member]	Aug. 02, 2013 Developed Technology Rights [Member] Contech [Member]	Jul. 31, 2013 Goodwill [Member] Contech [Member]	Aug. 02, 2013 Goodwill [Member] Contech [Member]	Jan. 31, 2014 Trade Names [Member]	Oct. 31, 2013 Trade Names [Member] Contech [Member]	Oct. 31, 2013 Trade Names [Member] Contech [Member]	Aug. 02, 2013 Trade Names [Member] Contech [Member]	Oct. 31, 2013 Trademarks [Member] Contech [Member]	Oct. 31, 2013 Trademarks [Member] Contech [Member]	Aug. 02, 2013 Trademarks [Member] Contech [Member]
Business Acquisition [Line Items]
Goodwill Deductible for Tax Purposes							$ 1,276
Useful Life	15 years		5 years	5 years		15 years		15 years	0 years 3 months	0 years 3 months		10 years	10 years
Acquired Intangible Assets		2,898
Intangibles		$ 2,898			$ 2,707						$ 25			$ 166