Contractual interest rate for funds borrowed, under the debt agreement.

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(a)(1))

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

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+ References

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Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

+ 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(a)(2))

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

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Long-Term Debt (Parenthetical) (Detail)	1 Months Ended	11 Months Ended	12 Months Ended
Long-Term Debt (Parenthetical) (Detail)	Apr. 30, 2015	Oct. 02, 2015	Oct. 31, 2014	Aug. 31, 2010
7% Senior Notes, due August 2020
Debt Instrument [Line Items]
Long-term debt interest rate		7.00%	7.00%	7.00%
Debt instruments maturity date		Aug. 31, 2020	Aug. 31, 2020
3.625% Senior Notes, due April 2023
Debt Instrument [Line Items]
Long-term debt interest rate	3.625%	3.625%	3.625%
Debt instruments maturity date	Apr. 30, 2023	Apr. 30, 2023	Apr. 30, 2023
US Term Loans
Debt Instrument [Line Items]
Debt instruments maturity date		Jul. 31, 2016	Jul. 31, 2016
U.S. Term Loan, due April 2020
Debt Instrument [Line Items]
Debt instruments maturity date		Apr. 30, 2020	Apr. 30, 2020