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Condensed Consolidating Financial Information (Details Textual) (USD $) In Thousands, unless otherwise specified	Jul. 31, 2012	Oct. 31, 2011
Condensed Consolidating Financial Information (Textual) [Abstract]
Publicly registered senior notes	$ 783,444	$ 747,686
Senior Notes [Member]
Condensed Consolidating Financial Information (Textual) [Abstract]
Publicly registered senior notes	$ 400,000	$ 400,000

Including current and noncurrent portions, aggregate carrying amount of long-term borrowings as of the balance sheet date. May include notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, which had initial maturities beyond one year or beyond the normal operating cycle, if longer, and after deducting unamortized discount or premiums, if any.

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