Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Apr. 30, 2020	Apr. 30, 2019	Apr. 30, 2020	Apr. 30, 2019
Income Statement [Abstract]
Net revenues	$ 157,928	$ 273,370	$ 401,414	$ 532,303
Cost of sales	158,453	244,691	382,650	489,933
Gross profit	(525)	28,679	18,764	42,370
Selling, general & administrative expenses	16,191	16,879	32,895	32,964
Amortization of intangible assets	512	519	1,024	1,040
Asset impairment, net	24,471	0	24,471	0
Restructuring	7,399	4,460	11,202	7,466
Operating income (loss)	(49,098)	6,821	(50,828)	900
Interest expense	4,627	3,848	8,983	7,203
Interest income	(4)	(1)	(10)	(6)
Other (income) expense, net	479	414	346	(1,072)
Income (loss) before income taxes	(54,200)	2,560	(60,147)	(5,225)
Provision (benefit) for income taxes	4,507	1,448	2,240	(1,639)
Net income (loss)	$ (58,707)	$ 1,112	$ (62,387)	$ (3,586)
Loss per share:
Basic loss per share	$ (2.47)	$ 0.05	$ (2.63)	$ (0.15)
Basic weighted average number of common shares	23,785	23,516	23,719	23,450
Diluted loss per share	$ (2.47)	$ 0.05	$ (2.63)	$ (0.15)
Diluted weighted average number of common shares	23,785	23,559	23,719	23,450