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Long-Term Debt - Summary of Long-Term Debt (Detail) (USD $) In Millions, unless otherwise specified	Jan. 31, 2013	Oct. 31, 2012
Debt Instrument [Line Items]
Carrying amount of long-term debt	$ 1,315.2	$ 1,200.3
Less current portion	(10.0)	(25.0)
Long-term debt	1,305.2	1,175.3
Amended Credit Agreement [Member]
Debt Instrument [Line Items]
Carrying amount of long-term debt	356.8
Less current portion	(10.0)
Long-term debt	346.8
2010 Credit Agreement [Member]
Debt Instrument [Line Items]
Carrying amount of long-term debt		255.0
Senior Notes due 2017 [Member]
Debt Instrument [Line Items]
Carrying amount of long-term debt	302.2	302.3
Senior Notes due 2019 [Member]
Debt Instrument [Line Items]
Carrying amount of long-term debt	243.8	243.6
Senior Notes due 2021 [Member]
Debt Instrument [Line Items]
Carrying amount of long-term debt	266.2	256.0
Trade Accounts Receivable Credit Facility [Member]
Debt Instrument [Line Items]
Carrying amount of long-term debt	113.2	110.0
Other long-term debt [Member]
Debt Instrument [Line Items]
Carrying amount of long-term debt	$ 33.0	$ 33.4

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- Definition

Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

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



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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 16

-Article 9



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

-Publisher SEC

-Name Regulation S-X (SX)

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Reference 5: http://www.xbrl.org/2003/role/presentationRef

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-Name Accounting Standards Codification

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-Section S99

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-Subparagraph (SX 210.5-02.22)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682



Reference 6: 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)

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

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- Definition

Carrying amount of long-term debt, net of unamortized discount or premium, scheduled to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19,20)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682



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- Definition

Carrying amount of long-term debt, net of unamortized discount or premium, excluding amounts to be repaid within one year or the normal operating cycle, if longer (current maturities). Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682



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-Name Regulation S-X (SX)

-Number 210

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