Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.

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Amount after tax, before reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

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- Definition

Amount after tax of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

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Accumulated Other Comprehensive Income/(Loss) - Components of Accumulated Other Comprehensive Income (Detail) (USD $) In Thousands, unless otherwise specified	6 Months Ended		3 Months Ended
	Apr. 30, 2015	Apr. 30, 2014	Apr. 30, 2015	Apr. 30, 2014	Jan. 31, 2014
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	$ 57,288	$ 73,918			$ 65,177
Changes in fair value, net of tax, total	(12,205)	(7,684)
Ending balance	34,517		34,517		65,177
Reclassification out of Accumulated Other Comprehensive Income
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Net gains reclassified to COGS	(10,566)	(1,057)
Derivative Instruments
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	4,093	(4,591)		(2,759)
Changes in fair value, derivative instruments, net of tax	20,703	2,889	2,261	(3,218)
Ending balance	14,230		14,230
Derivative Instruments \| Reclassification out of Accumulated Other Comprehensive Income
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Net gains reclassified to COGS	(10,566)	(1,057)	(7,648)	(1,243)
Foreign Currency Adjustments
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	53,195	78,509		67,936
Changes in fair value, foreign currency adjustments, net of tax	(32,908)	(10,573)	1,235	10,142
Ending balance	20,287		20,287
Foreign Currency Adjustments \| Reclassification out of Accumulated Other Comprehensive Income
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Net gains reclassified to COGS	$ 0	$ 0