Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Apr. 30, 2015	Oct. 31, 2014
Statement of Financial Position [Abstract]
Allowances for trade accounts receivable	$ 52,940	$ 63,991
Fixed assets, accumulated depreciation and amortization	$ 215,094	$ 220,888
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized (shares)	5,000,000us-gaap_PreferredStockSharesAuthorized	5,000,000us-gaap_PreferredStockSharesAuthorized
Preferred stock, shares issued (shares)	0us-gaap_PreferredStockSharesIssued	0us-gaap_PreferredStockSharesIssued
Preferred stock, shares outstanding (shares)	0us-gaap_PreferredStockSharesOutstanding	0us-gaap_PreferredStockSharesOutstanding
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (shares)	285,000,000us-gaap_CommonStockSharesAuthorized	285,000,000us-gaap_CommonStockSharesAuthorized
Common stock, shares issued (shares)	174,642,124us-gaap_CommonStockSharesIssued	174,057,410us-gaap_CommonStockSharesIssued
Treasury stock (shares)	2,885,200us-gaap_TreasuryStockShares	2,885,200us-gaap_TreasuryStockShares

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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A valuation allowance for trade and other receivables due to an Entity within one year (or the normal operating cycle, whichever is longer) that are expected to be uncollectible.

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Face amount or stated value per share of common stock.

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Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends.

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