Debt Instrument, Interest Period

No definition available.

Name:	joy_DebtInstrumentInterestPeriod
Namespace Prefix:	joy_
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Balance Type:	na
Period Type:	duration

- Definition

Line of Credit Additional Borrowing Capacity

+ References

No definition available.

+ Details

Name:	joy_LineOfCreditAdditionalBorrowingCapacity
Namespace Prefix:	joy_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 45

-Paragraph 2

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+ Details

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

- Definition

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

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

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

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-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

+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 470

-Section 50

-Paragraph 3

-Subparagraph e

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+ Details

Name:	us-gaap_DebtInstrumentRedemptionPricePercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The amount of debt discount that was originally recognized at the issuance of the instrument that has yet to be amortized.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

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+ Details

Name:	us-gaap_DebtInstrumentUnamortizedDiscount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of the cost of borrowed funds accounted for as interest expense.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

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-Name Regulation S-X (SX)

-Number 210

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+ Details

Name:	us-gaap_InterestExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

+ Details

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

- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

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-Subparagraph (SX 210.9-03.16)

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+ Details

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

- Details

Name:	us-gaap_LineOfCreditFacilityLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ 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(b),22(b))

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

+ Details

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

- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

+ Details

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

- Definition

The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

+ References

No definition available.

+ Details

Name:	us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- 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 SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

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-Subparagraph (SX 210.5-02.22)

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+ Details

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

- Details

Name:	us-gaap_LineOfCreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=joy_PriorTermLoanMember
Namespace Prefix:
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Period Type:

- Details

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- Details

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- Details

Name:	us-gaap_LongtermDebtTypeAxis=joy_SeniorNotesDueTwoThousandTwentyOneMember
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- Details

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- Details

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Borrowings and Credit Facilities (Details Textual) (USD $)	3 Months Ended		0 Months Ended
	Jan. 30, 2015	Jan. 31, 2014	Nov. 01, 2006	Oct. 12, 2011	Jul. 29, 2014	Jun. 16, 2011	Oct. 31, 2014	Oct. 12, 2012
Line of Credit Facility [Line Items]
Interest expense recognized for direct borrowings under the Credit Agreement	$ 15,897,000us-gaap_InterestExpense	$ 16,403,000us-gaap_InterestExpense
Prior Term Loan [Member]
Line of Credit Facility [Line Items]
Principal amount						500,000,000
Term Loan due 2019
Line of Credit Facility [Line Items]
Principal amount					375,000,000
Term loan outstanding					375,000,000
6.0% Senior Notes due 2016
Line of Credit Facility [Line Items]
Principal amount			250,000,000
Interest rate	6.00%		6.00%				6.00%
Percentage of principal amount of notes to be redeemed at company's option			100.00%
5.125% Senior Notes due 2021
Line of Credit Facility [Line Items]
Principal amount				500,000,000
Interest rate	5.125%			5.125%			5.125%
Discount on note payable				4,200,000
Percentage of principal amount of notes to be redeemed at company's option				100.00%
6.625% Senior Notes due 2036
Line of Credit Facility [Line Items]
Principal amount			150,000,000
Interest rate	6.625%		6.625%				6.625%
Percentage of principal amount of notes to be redeemed at company's option			100.00%
Treasury Rate \| 6.0% Senior Notes due 2016
Line of Credit Facility [Line Items]
Basis spread on variable rate			0.30%
Treasury Rate \| 5.125% Senior Notes due 2021
Line of Credit Facility [Line Items]
Basis spread on variable rate				0.50%
Treasury Rate \| 6.625% Senior Notes due 2036
Line of Credit Facility [Line Items]
Basis spread on variable rate			0.375%
Revolving Credit Facility
Line of Credit Facility [Line Items]
Unsecured revolving credit facility (Credit Agreement) maximum borrowing capacity					1,000,000,000			1,000,000,000.0
Line of credit additional borrowing capacity					250,000,000
Line of credit amount outstanding	0
Interest expense recognized for direct borrowings under the Credit Agreement	200,000	100,000
Letters of credit outstanding	175,300,000
Available borrowing capacity	$ 824,700,000
Revolving Credit Facility \| Eurodollar Interest Period One
Line of Credit Facility [Line Items]
Interest period					7 days
Revolving Credit Facility \| Eurodollar Interest Period Two
Line of Credit Facility [Line Items]
Interest period					1 month
Revolving Credit Facility \| Eurodollar Interest Period Three
Line of Credit Facility [Line Items]
Interest period					2 months
Revolving Credit Facility \| Eurodollar Interest Period Four
Line of Credit Facility [Line Items]
Interest period					3 months
Revolving Credit Facility \| Eurodollar Interest Period Five
Line of Credit Facility [Line Items]
Interest period					6 months
Revolving Credit Facility \| Eurodollar Rate
Line of Credit Facility [Line Items]
Basis spread on variable rate					1.00%
Revolving Credit Facility \| Federal Funds Rate
Line of Credit Facility [Line Items]
Basis spread on variable rate					0.50%
Revolving Credit Facility \| Minimum
Line of Credit Facility [Line Items]
Line of credit commitment fee percentage on unused capacity					0.09%
Revolving Credit Facility \| Minimum \| Eurodollar Rate
Line of Credit Facility [Line Items]
Basis spread on variable rate					1.00%
Revolving Credit Facility \| Maximum
Line of Credit Facility [Line Items]
Line of credit commitment fee percentage on unused capacity					0.30%
Revolving Credit Facility \| Maximum \| Eurodollar Rate
Line of Credit Facility [Line Items]
Basis spread on variable rate					2.00%