Condensed Consolidated Statements of Operations (Unaudited) (USD $) In Thousands, except Per Share data	3 Months Ended		6 Months Ended
	Apr. 30, 2011	Apr. 30, 2010	Apr. 30, 2011	Apr. 30, 2010
Condensed Consolidated Statements of Operations [Abstract]
Net sales	$ 479,342	$ 487,101	$ 907,074	$ 907,224
Cost and expenses:
Cost of sales	479,366	412,109	938,305	790,153
Live inventory adjustment	6,000	0	6,000	0
Selling, general and administrative	16,813	19,277	37,224	35,637
Total cost and expenses	502,179	431,386	981,529	825,790
OPERATING INCOME (LOSS)	(22,837)	55,715	(74,455)	81,434
Other income (expense):
Interest income	9	11	30	16
Interest expense	(1,491)	(1,161)	(1,947)	(2,293)
Other	468	2	497	7
Total other income (expense)	(1,014)	(1,148)	(1,420)	(2,270)
INCOME (LOSS) BEFORE INCOME TAXES	(23,851)	54,567	(75,875)	79,164
Income tax expense (benefit)	(7,575)	19,480	(26,043)	28,260
NET INCOME (LOSS)	$ (16,276)	$ 35,087	$ (49,832)	$ 50,904
Earnings (loss) per share:
Basic	$ (0.74)	$ 1.62	$ (2.25)	$ 2.39
Diluted	$ (0.74)	$ 1.62	$ (2.25)	$ 2.39
Dividends per share	$ 0.17	$ 0.15	$ 0.34	$ 0.30