CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jul. 31, 2018	Jul. 31, 2017	Jul. 31, 2018	Jul. 31, 2017
Income Statement [Abstract]
Net sales	$ 852,434	$ 931,901	$ 2,437,856	$ 2,422,285
Cost and expenses:
Cost of sales	781,568	692,585	2,187,079	1,954,259
Selling, general and administrative	55,778	62,036	163,390	151,747
Cost and expenses	837,346	754,621	2,350,469	2,106,006
Operating Income	15,088	177,280	87,387	316,279
Other income (expense):
Interest income	745	327	2,069	823
Interest expense	(519)	(515)	(1,548)	(1,375)
Other	3	3	9	8
Other income (expense)	229	(185)	530	(544)
Income before income taxes	15,317	177,095	87,917	315,735
Income tax expense (benefit)	3,842	61,261	(16,712)	108,861
Net income	$ 11,475	$ 115,834	$ 104,629	$ 206,874
Earnings per share:
Basic (in usd per share)	$ 0.50	$ 5.09	$ 4.58	$ 9.10
Diluted (in usd per share)	0.50	5.09	4.58	9.10
Dividends per share (in usd per share)	$ 0.32	$ 0.24	$ 0.96	$ 0.72