CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jul. 31, 2015	Jul. 31, 2014	Jul. 31, 2015	Jul. 31, 2014
Income Statement [Abstract]
Net sales	$ 739,933	$ 768,395	$ 2,123,888	$ 2,013,995
Cost and expenses:
Cost of sales	612,761	607,003	1,716,529	1,675,399
Selling, general and administrative	47,339	45,687	114,947	99,201
Cost and Expenses, Total	660,100	652,690	1,831,476	1,774,600
Operating Income	79,833	115,705	292,412	239,395
Other income (expense):
Interest income	0	15	39	37
Interest expense	(556)	(439)	(1,669)	(2,091)
Other	15	1	78	49
Nonoperating Income (Expense), Total	(541)	(423)	(1,552)	(2,005)
Income before income taxes	79,292	115,282	290,860	237,390
Income tax expense	28,411	39,202	102,230	81,451
Net income	$ 50,881	$ 76,080	$ 188,630	$ 155,939
Earnings per share:
Basic (in usd per share)	$ 2.27	$ 3.30	$ 8.28	$ 6.76
Diluted (in usd per share)	2.27	3.30	8.28	6.76
Dividends per share (in usd per share)	$ 0.22	$ 0.20	$ 0.66	$ 0.60