Equity and Noncontrolling Interest (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Jan. 25, 2013	Jan. 27, 2012
Changes in consolidated equity attributable to Joy Global Inc. and noncontrolling interest
Net income attributable to noncontrolling interest	$ 0	$ (109)
Equity Attributable to Noncontrolling Interests [Member]
Changes in consolidated equity attributable to Joy Global Inc. and noncontrolling interest
Beginning balance		0
Acquisition of controlling interest in IMM		437,654
Net income attributable to noncontrolling interest		109
Purchase of IMM shares from noncontrolling interest		(7,111)
Ending Balance		$ 430,652

Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which is directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent (that is, noncontrolling interest, previously referred to as minority interest).

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Decrease in noncontrolling interest (for example, but not limited to, redeeming or purchasing the interests of noncontrolling shareholders, issuance of shares (interests) by the non-wholly owned subsidiary to the parent entity for other than cash, and a buyback of shares (interest) by the non-wholly owned subsidiary from the noncontrolling interests).

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- Definition

Amount of Net Income (Loss) attributable to noncontrolling interest.

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