Finnveden and Radar Pro Forma Results (Details) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Jul. 31, 2015 USD ($) $ / shares	Jul. 31, 2014 USD ($) $ / shares	Jul. 31, 2015 USD ($) $ / shares	Jul. 31, 2014 USD ($) $ / shares
Business Acquisition [Line Items]
Revenue, Net	$ 275,201	$ 216,389	$ 812,285	$ 608,900
Business Acquisition, Pro Forma Revenue			283,945	840,861
Net Income (Loss) Attributable to Parent	$ 1,981	$ 8,349	10,777	21,417
Net income			$ 9,199	$ 28,350
Earnings Per Share, Basic | $ / shares	$ 0.11	$ 0.49	$ 0.63	$ 1.25
Basic earnings per share | $ / shares			0.54	1.66
Earnings Per Share, Diluted | $ / shares	$ 0.11	$ 0.49	0.62	1.25
Diluted earnings per share | $ / shares			$ 0.54	$ 1.65
Foreign Currency Exchange Rate During Period	8.848	6.669	7.983	6.649
Finnveden and Radar [Member]
Business Acquisition [Line Items]
Amortization of Intangible Assets	$ 57		$ 446	$ 62