Quarterly Results of Operations Quarterly Results of Operations (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended								12 Months Ended
	Oct. 31, 2019	Jul. 31, 2019	Apr. 30, 2019	Jan. 31, 2019	Oct. 31, 2018	Jul. 31, 2018	Apr. 30, 2018	Jan. 31, 2018	Oct. 31, 2019	Oct. 31, 2018	Oct. 31, 2017
Net revenues	$ 258,959	$ 263,445	$ 273,370	$ 258,933	$ 300,055	$ 294,883	$ 297,340	$ 247,666	$ 1,054,707	$ 1,139,944	$ 1,041,986
Gross profit	24,618	23,588	28,679	13,691	23,822	32,880	31,503	27,890	90,576	116,095	115,355
Operating Income (Loss)	(7,544)	1,060	6,821	(5,921)	(879)	7,535	7,279	4,571	(5,584)	18,506	25,008
Provision (benefit) for income taxes	2,001	(973)	1,448	(3,087)	4,635	(7,014)	218	(3,058)	(611)	(5,219)	7,120
Net income (loss)	$ 13,652	$ 2,709	$ (1,112)	$ 4,698	$ 8,456	$ (11,052)	$ (4,025)	$ (4,858)	$ 19,947	$ (11,479)	$ 697
Net income (loss) per share basic	$ (0.59)	$ (0.11)	$ 0.05	$ (0.20)	$ (0.36)	$ 0.47	$ 0.17	$ 0.21	$ (0.85)	$ 0.49	$ (0.04)
Net income (loss) per share diluted	$ (0.59)	$ (0.11)	$ 0.05	$ (0.20)	$ (0.36)	$ 0.47	$ 0.17	$ 0.21	$ (0.85)	$ 0.49	$ (0.04)
Basic	23,566	23,557	23,516	23,385	23,309	23,278	23,222	23,107	23,506	23,229	19,233
Diluted	23,566	23,557	23,559	23,385	23,309	23,453	23,357	23,287	23,506	23,369	19,233