Condensed Consolidated Statements of Income (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Apr. 30, 2013	Apr. 30, 2012	Apr. 30, 2013	Apr. 30, 2012
Revenues	$ 182,146	$ 162,831	$ 327,529	$ 295,202
Cost of sales	161,759	146,374	295,380	269,083
Gross profit	20,387	16,457	32,149	26,119
Selling, general and administrative expenses	8,879	7,209	16,516	13,857
Asset recovery	0	(558)	(7)	(623)
Operating income	11,508	9,806	15,640	12,885
Interest expense	564	525	994	811
Interest income	13	0	19	0
Other income (expense), net	(22)	(25)	(46)	22
Income before income taxes	10,935	9,256	14,619	12,096
Provision for income taxes	3,686	3,351	4,787	4,612
Net income	$ 7,249	$ 5,905	$ 9,832	$ 7,484
Earnings per share:
Basic earnings per share	$ 0.43	$ 0.35	$ 0.58	$ 0.45
Basic weighted average number of common shares	16,998	16,844	16,993	16,804
Diluted earnings per share	$ 0.43	$ 0.35	$ 0.58	$ 0.44
Diluted weighted average number of common shares	17,043	16,903	17,041	16,883