Condensed Consolidated Statements of Income (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Jul. 31, 2012	Jul. 31, 2011	Jul. 31, 2012	Jul. 31, 2011
Revenues	$ 142,021	$ 128,191	$ 437,223	$ 374,028
Cost of sales	129,861	118,942	398,945	346,837
Gross profit	12,160	9,249	38,278	27,191
Selling, general and administrative expenses	6,892	5,810	20,749	16,849
Asset impairment (recovery)	1,365	(88)	742	(230)
Restructuring charges (recovery)	(30)	352	(30)	352
Operating income	3,933	3,175	16,817	10,220
Interest expense	371	307	1,182	1,271
Interest income	0	3	0	3
Other income (expense), net	4	(3)	26	108
Income before income taxes	3,566	2,868	15,661	9,060
Provision for income taxes	1,150	1,177	5,762	3,414
Net income	$ 2,416	$ 1,691	$ 9,899	$ 5,646
Earnings per share:
Basic earnings per share	$ 0.14	$ 0.10	$ 0.59	$ 0.34
Basic weighted average number of common shares	16,856	16,753	16,821	16,702
Diluted earnings per share	$ 0.14	$ 0.10	$ 0.59	$ 0.33
Diluted weighted average number of common shares	16,927	16,863	16,903	16,858