Difference Between Consolidated Effective Income Tax Rate and Federal Statutory Rate (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Oct. 31, 2013	Oct. 31, 2012	Oct. 31, 2011
Reconciliation of Provision of Income Taxes [Line Items]
Income taxes at statutory rate	$ 70,040	$ 30,300	$ (67,985)
State income taxes	4,525	1,659	(4,299)
Federal manufacturers (deduction) recapture	(6,469)	(2,191)	5,281
Nondeductible expenses	2,353	3,008	678
Other, net	(238)	(18)	(92)
Change in valuation allowance	6,823	1,600	9,675
Income tax expense (benefit)	69,496	32,628	(67,165)
State
Reconciliation of Provision of Income Taxes [Line Items]
Income tax credits	(6,823)	(1,600)	(9,675)
Federal
Reconciliation of Provision of Income Taxes [Line Items]
Income tax credits	$ (715)	$ (130)	$ (748)

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in the valuation allowance for deferred tax assets.

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Amount of the difference between reported income tax expense (benefit) and the expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to deduction for qualified production activity.

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The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations.

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