Quarterly Financial Data (Detail) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Oct. 31, 2013	Jul. 31, 2013	Apr. 30, 2013	Jan. 31, 2013	Oct. 31, 2012	Jul. 31, 2012	Apr. 30, 2012	Jan. 31, 2012	Oct. 31, 2013	Oct. 31, 2012	Oct. 31, 2011
Quarterly Financial Information [Line Items]
Net sales	$ 727,061	$ 738,964	$ 621,195	$ 595,760	$ 648,379	$ 624,854	$ 595,046	$ 517,826	$ 2,682,980	$ 2,386,105	$ 1,978,085
Gross profit	102,124	133,946	58,962	10,893	35,832	69,614	59,145	8,822
Net income (loss)	$ 45,270	$ 67,919	$ 24,371	$ (6,943)	$ 9,347	$ 28,721	$ 23,865	$ (7,989)	$ 130,617	$ 53,944	$ (127,077)
Diluted earnings (loss) per share	$ 1.97	$ 2.95	$ 1.06	$ (0.31)	$ 0.41	$ 1.25	$ 1.05	$ (0.36)	$ 5.68	$ 2.35	$ (5.74)