Including the current and noncurrent portions, carrying value as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer). Senior note holders are paid off in full before any payments are made to junior note holders.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.16)

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-03.16(a))

-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 16

-Article 9

Name:	us-gaap_SeniorNotes
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Supplemental Guarantor Information (Level 4 Senior Note table) (Details) (USD $) In Thousands, unless otherwise specified	Apr. 30, 2014	Oct. 31, 2013	Apr. 30, 2014 Senior Notes Due 2014 [Member]	Apr. 30, 2014 Senior Notes Due 2015 [Member]	Jun. 02, 2005 Senior Notes Due 2015 [Member]	Apr. 30, 2014 Senior Notes Due 2017 [Member]	Apr. 13, 2009 Senior Notes Due 2017 [Member]	Apr. 30, 2014 Senior Notes Due 2019 [Member]	Sep. 22, 2009 Senior Notes Due 2019 [Member]	Apr. 30, 2014 Senior Notes Due 2022 [Member]	Feb. 07, 2012 Senior Notes Due 2022 [Member]	Apr. 30, 2014 Senior Notes Due 2023 [Member]	Apr. 03, 2013 Senior Notes Due 2023 [Member]	Apr. 30, 2014 Senior Notes Due Two Thousand Thirty-Two [Member]	Sep. 05, 2012 Senior Notes Due Two Thousand Thirty-Two [Member]	Apr. 30, 2014 Senior Notes Due 2018 [Member]	Nov. 12, 2013 Senior Notes Due 2018 [Member]	Apr. 30, 2014 Senior Notes Due 2024 [Member]	Nov. 13, 2013 Senior Notes Due 2024 [Member]
Supplemental Guarantor Information (Textual) [Abstract]
Issued Senior Notes					$ 300,000		$ 400,000		$ 250,000		$ 419,876		$ 400,000		$ 287,500		$ 350,000		$ 250,000
Senior notes	$ 2,654,438	$ 2,321,442		$ 300,000		$ 400,000		$ 250,000		$ 419,876		$ 400,000		$ 287,500		$ 350,000		$ 250,000
Interest rate on notes			4.95%	5.15%		8.91%		6.75%		5.875%		4.375%		0.50%		4.00%		5.625%