Debt Instrument, Covenant, Aggregate Cash Dividend and Stock Repurchase Limit

No definition available.

Name:	joy_DebtInstrumentCovenantAggregateCashDividendandStockRepurchaseLimit
Namespace Prefix:	joy_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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

The per share amount of a dividend declared, but not paid, as of the financial reporting date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586

+ Details

Name:	us-gaap_DividendsPayableAmountPerShare
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

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

+ Details

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

- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

- Details

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Namespace Prefix:
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- Details

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

- Details

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

Subsequent Event - Additional Information (Details) - USD ($)	Dec. 14, 2015	Dec. 16, 2015	Jul. 29, 2014
Subsequent Event
Subsequent Event [Line Items]
Cash dividend amount (in dollars per share)		$ 0.01
Revolving Credit Facility
Subsequent Event [Line Items]
Unsecured revolving credit facility (Credit Agreement), maximum borrowing capacity			$ 1,000,000,000.0
Additional aggregate revolving commitments			$ 250,000,000
Revolving Credit Facility \| Subsequent Event
Subsequent Event [Line Items]
Unsecured revolving credit facility (Credit Agreement), maximum borrowing capacity	$ 850,000,000
Letter of Credit [Member] \| Subsequent Event
Subsequent Event [Line Items]
Unsecured revolving credit facility (Credit Agreement), maximum borrowing capacity	500,000,000
Cash dividend covenant limit	$ 25,000,000