Quarterly Results Quarterly Results (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended								12 Months Ended
	Oct. 31, 2015	Jul. 31, 2015	Apr. 30, 2015	Jan. 31, 2015	Oct. 31, 2014	Jul. 31, 2014	Apr. 30, 2014	Jan. 31, 2014	Oct. 31, 2015	Oct. 31, 2014	Oct. 31, 2013
Quarterly Financial Information Disclosure [Abstract]
Revenue, Net	$ 296,910	$ 275,201	$ 280,175	$ 256,909	$ 269,844	$ 216,389	$ 208,972	$ 183,539	$ 1,109,195	$ 878,744	$ 700,186
Gross Profit	20,205	20,249	27,955	18,677	18,654	22,100	21,001	17,846	87,086	79,601	67,152
Operating Income	(593)	7,517	10,409	4,430	719	9,726	12,699	8,021	21,763	31,165	34,604
Provision (benefit) for income taxes	2,522	(2,480)	(2,665)	(627)	1,389	(335)	(3,620)	(2,181)	(3,250)	(4,747)	(10,605)
Net income (loss)	$ 2,513	$ (1,981)	$ (6,353)	$ (2,443)	$ (1,027)	$ (8,349)	$ (8,129)	$ (4,939)	$ (8,264)	$ (22,444)	$ (21,570)
Net income (loss) per basic share	$ 0.14	$ (0.11)	$ (0.37)	$ (0.14)	$ (0.05)	$ (0.49)	$ (0.48)	$ (0.29)	$ (0.48)	$ (1.31)	$ (1.27)
Net income (loss) per share diluted share	$ 0.14	$ (0.11)	$ (0.37)	$ (0.14)	$ (0.05)	$ (0.49)	$ (0.47)	$ (0.29)	$ (0.48)	$ (1.30)	$ (1.27)
Basic	17,292	17,227	17,211	17,215	17,180	17,118	17,081	17,113	17,287	17,145	16,982
Diluted	17,292	17,246	17,236	17,255	17,229	17,175	17,158	17,208	17,310	17,215	17,030