Subsidiary Guarantors (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Jul. 26, 2013	Jul. 27, 2012	Jul. 26, 2013	Jul. 27, 2012	Oct. 26, 2012
Condensed Consolidating Statement of Income
Net sales	$ 1,320,611	$ 1,388,723	$ 3,830,923	$ 4,065,984
Cost of sales	880,209	912,939	2,562,537	2,716,404
Product development, selling and administrative expenses	167,155	179,436	497,389	532,825
Other income (expense)	(1,092)	(3,127)	(3,127)	(29,903)
Operating income	274,339	299,475	774,124	846,658
Income from continuing operations before income taxes	260,737	282,673	730,184	796,659
Provision (benefit) for income taxes	77,550	88,291	223,079	241,806
Income from continuing operations	183,187	194,382	507,105	554,853
Income from continuing operations attributable to noncontrolling interest	0	(38)	0	(180)
Income from continuing operations attributable to Joy Global Inc.	183,187	194,344	507,105	554,673
ASSETS
Current assets	3,100,136		3,100,136		3,156,077
Property, plant and equipment, net	893,326		893,326		832,862
Total assets	6,189,237	6,307,377	6,189,237	6,307,377	6,142,503
LIABILITIES AND SHAREHOLDERS’ EQUITY
Current liabilities of discontinued operations	11,581		11,581		13,147
Long-term obligations	1,269,352		1,269,352		1,306,625
Accrued pension costs	236,988		236,988		335,813
Other non-current liabilities	154,627		154,627		142,059
Total liabilities	3,185,895		3,185,895		3,565,314
Shareholders’ equity	3,003,342		3,003,342		2,577,189
Total liabilities and shareholders’ equity	6,189,237		6,189,237		6,142,503
Condensed Consolidating Statement of Cash Flows
Net cash provided by operating activities of continuing operations			443,140	253,021
Net cash used by operating activities of discontinued operations			(1,567)	(15,747)
Net cash provided by operating activities			441,573	237,274
Investing Activities:
Acquisition of controlling interest in International Mining Machinery, net of cash acquired			0	(955,917)
Withdrawal of cash held in escrow			0	866,000
Other investing activities, net			2,841	7,119
Net cash used by investing activities			(115,068)	(252,088)
Net cash used by financing activities			(91,752)	186,897
Effect of exchange rate changes on cash and cash equivalents			(12,576)	(6,167)
Increase (decrease) in Cash and Cash Equivalents			222,177	165,916
Cash and Cash Equivalents at Beginning of Period			263,873	288,321
Cash and Cash Equivalents at End of Period	486,050	454,237	486,050	454,237
Parent Company
Condensed Consolidating Statement of Income
Net sales	0	0	0	0
Cost of sales	0	0	0	0
Product development, selling and administrative expenses	10,564	12,735	39,974	55,394
Other income (expense)	0	0	0	0
Operating income	(10,564)	(12,735)	(39,974)	(55,394)
Intercompany items	28,719	15,726	86,728	48,219
Interest income (expense), net	(16,097)	(17,712)	(49,022)	(52,244)
Income from continuing operations before income taxes	2,058	(14,721)	(2,268)	(59,419)
Provision (benefit) for income taxes	(16,484)	(10,833)	(37,121)	(43,965)
Equity in income of subsidiaries	164,645	198,270	472,252	570,307
Income from continuing operations		194,382		554,853
Income from continuing operations attributable to noncontrolling interest		(38)		(180)
Income from continuing operations attributable to Joy Global Inc.	183,187	194,344	507,105	554,673
ASSETS
Current assets	279,287		279,287		97,443
Property, plant and equipment, net	17,107		17,107		12,515
Goodwill and intangible assets, net	0		0		0
Other assets	4,306,708		4,306,708		4,178,760
Total assets	4,603,102		4,603,102		4,288,718
LIABILITIES AND SHAREHOLDERS’ EQUITY
Current liabilities	129,292		129,292		106,207
Current liabilities of discontinued operations					0
Long-term obligations	1,268,474		1,268,474		1,305,413
Accrued pension costs	223,821		223,821		322,310
Other non-current liabilities	(21,860)		(21,860)		(22,401)
Total liabilities	1,599,727		1,599,727		1,711,529
Shareholders’ equity	3,003,375		3,003,375		2,577,189
Total liabilities and shareholders’ equity	4,603,102		4,603,102		4,288,718
Condensed Consolidating Statement of Cash Flows
Net cash provided by operating activities of continuing operations			277,846	33,027
Net cash used by operating activities of discontinued operations			0	0
Net cash provided by operating activities			277,846	33,027
Investing Activities:
Acquisition of controlling interest in International Mining Machinery, net of cash acquired				(1,028,829)
Withdrawal of cash held in escrow				866,000
Other investing activities, net				(4,852)
Net cash used by investing activities			(5,908)	(167,681)
Net cash used by financing activities			(86,093)	199,162
Effect of exchange rate changes on cash and cash equivalents			0	0
Increase (decrease) in Cash and Cash Equivalents			185,845	64,508
Cash and Cash Equivalents at Beginning of Period			3,459	100,181
Cash and Cash Equivalents at End of Period	189,304	164,689	189,304	164,689
Subsidiary Guarantors
Condensed Consolidating Statement of Income
Net sales	707,663	882,063	2,125,416	2,454,780
Cost of sales	488,431	601,153	1,477,877	1,679,986
Product development, selling and administrative expenses	77,590	83,931	231,533	252,567
Other income (expense)	8,675	4,761	24,636	16,901
Operating income	132,967	192,218	391,370	505,326
Intercompany items	(23,009)	(13,306)	(66,824)	(37,684)
Interest income (expense), net	1,102	256	1,676	420
Income from continuing operations before income taxes	111,060	179,168	326,222	468,062
Provision (benefit) for income taxes	66,875	82,093	190,740	215,417
Equity in income of subsidiaries	48,563	86,701	245,173	258,183
Income from continuing operations		183,776		510,828
Income from continuing operations attributable to noncontrolling interest		0		0
Income from continuing operations attributable to Joy Global Inc.	92,748	183,776	380,655	510,828
ASSETS
Current assets	998,423		998,423		1,145,051
Property, plant and equipment, net	373,417		373,417		378,274
Goodwill and intangible assets, net	805,944		805,944		818,435
Other assets	2,820,899		2,820,899		2,528,849
Total assets	4,998,683		4,998,683		4,870,609
LIABILITIES AND SHAREHOLDERS’ EQUITY
Current liabilities	536,777		536,777		704,191
Current liabilities of discontinued operations					46,693
Long-term obligations	878		878		1,212
Accrued pension costs	6,140		6,140		6,589
Other non-current liabilities	9,937		9,937		10,205
Total liabilities	553,732		553,732		768,890
Shareholders’ equity	4,444,951		4,444,951		4,101,719
Total liabilities and shareholders’ equity	4,998,683		4,998,683		4,870,609
Condensed Consolidating Statement of Cash Flows
Net cash provided by operating activities of continuing operations			52,180	99,643
Net cash used by operating activities of discontinued operations			(1,567)	(15,747)
Net cash provided by operating activities			50,613	83,896
Investing Activities:
Acquisition of controlling interest in International Mining Machinery, net of cash acquired				0
Withdrawal of cash held in escrow				0
Other investing activities, net				(85,481)
Net cash used by investing activities			(28,081)	(85,481)
Net cash used by financing activities			(316)	(300)
Effect of exchange rate changes on cash and cash equivalents			0	0
Increase (decrease) in Cash and Cash Equivalents			22,216	(1,885)
Cash and Cash Equivalents at Beginning of Period			6,628	16,152
Cash and Cash Equivalents at End of Period	28,844	14,267	28,844	14,267
Non-Guarantor Subsidiaries
Condensed Consolidating Statement of Income
Net sales	1,007,889	903,075	2,783,893	2,678,424
Cost of sales	717,550	643,506	1,961,080	1,905,797
Product development, selling and administrative expenses	79,001	82,770	225,882	224,864
Other income (expense)	(9,767)	(7,888)	(27,763)	(46,804)
Operating income	221,105	184,687	624,694	594,567
Intercompany items	(41,956)	(25,577)	(104,489)	(79,708)
Interest income (expense), net	1,393	654	3,406	1,825
Income from continuing operations before income taxes	180,542	159,764	523,611	516,684
Provision (benefit) for income taxes	27,159	17,031	69,460	70,354
Equity in income of subsidiaries	0	0	0	0
Income from continuing operations		142,733		446,330
Income from continuing operations attributable to noncontrolling interest		(38)		(180)
Income from continuing operations attributable to Joy Global Inc.	153,383	142,695	454,151	446,150
ASSETS
Current assets	1,984,506		1,984,506		2,134,636
Property, plant and equipment, net	502,802		502,802		442,073
Goodwill and intangible assets, net	1,166,687		1,166,687		1,153,147
Other assets	3,511,402		3,511,402		1,803,046
Total assets	7,165,397		7,165,397		5,532,902
LIABILITIES AND SHAREHOLDERS’ EQUITY
Current liabilities	891,501		891,501		1,038,751
Current liabilities of discontinued operations					(33,546)
Long-term obligations	0		0		0
Accrued pension costs	7,027		7,027		6,914
Other non-current liabilities	166,550		166,550		154,255
Total liabilities	1,065,078		1,065,078		1,166,374
Shareholders’ equity	6,100,319		6,100,319		4,366,528
Total liabilities and shareholders’ equity	7,165,397		7,165,397		5,532,902
Condensed Consolidating Statement of Cash Flows
Net cash provided by operating activities of continuing operations			113,114	120,351
Net cash used by operating activities of discontinued operations			0	0
Net cash provided by operating activities			113,114	120,351
Investing Activities:
Acquisition of controlling interest in International Mining Machinery, net of cash acquired				72,912
Withdrawal of cash held in escrow				0
Other investing activities, net				(71,838)
Net cash used by investing activities			(81,079)	1,074
Net cash used by financing activities			(5,343)	(11,965)
Effect of exchange rate changes on cash and cash equivalents			(12,576)	(6,167)
Increase (decrease) in Cash and Cash Equivalents			14,116	103,293
Cash and Cash Equivalents at Beginning of Period			253,786	171,988
Cash and Cash Equivalents at End of Period	267,902	275,281	267,902	275,281
Eliminations
Condensed Consolidating Statement of Income
Net sales	(394,941)	(396,415)	(1,078,386)	(1,067,220)
Cost of sales	(325,772)	(331,720)	(876,420)	(869,379)
Product development, selling and administrative expenses	0	0	0	0
Other income (expense)	0	0	0	0
Operating income	(69,169)	(64,695)	(201,966)	(197,841)
Intercompany items	36,246	23,157	84,585	69,173
Interest income (expense), net	0	0	0	0
Income from continuing operations before income taxes	(32,923)	(41,538)	(117,381)	(128,668)
Provision (benefit) for income taxes	0	0	0	0
Equity in income of subsidiaries	(213,208)	(284,971)	(717,425)	(828,490)
Income from continuing operations		(326,509)		(957,158)
Income from continuing operations attributable to noncontrolling interest		38		180
Income from continuing operations attributable to Joy Global Inc.	(246,131)	(326,471)	(834,806)	(956,978)
ASSETS
Current assets	(162,080)		(162,080)		(221,053)
Property, plant and equipment, net	0		0		0
Goodwill and intangible assets, net	0		0		0
Other assets	(10,415,865)		(10,415,865)		(8,328,673)
Total assets	(10,577,945)		(10,577,945)		(8,549,726)
LIABILITIES AND SHAREHOLDERS’ EQUITY
Current liabilities	(32,642)		(32,642)		(81,479)
Current liabilities of discontinued operations					0
Long-term obligations	0		0		0
Accrued pension costs	0		0		0
Other non-current liabilities	0		0		0
Total liabilities	(32,642)		(32,642)		(81,479)
Shareholders’ equity	(10,545,303)		(10,545,303)		(8,468,247)
Total liabilities and shareholders’ equity	(10,577,945)		(10,577,945)		(8,549,726)
Consolidated
Condensed Consolidating Statement of Income
Net sales	1,320,611	1,388,723	3,830,923	4,065,984
Cost of sales	880,209	912,939	2,562,537	2,716,404
Product development, selling and administrative expenses	167,155	179,436	497,389	532,825
Other income (expense)	(1,092)	(3,127)	(3,127)	(29,903)
Operating income	274,339	299,475	774,124	846,658
Intercompany items	0	0	0	0
Interest income (expense), net	(13,602)	(16,802)	(43,940)	(49,999)
Income from continuing operations before income taxes	260,737	282,673	730,184	796,659
Provision (benefit) for income taxes	77,550	88,291	223,079	241,806
Equity in income of subsidiaries	0	0	0	0
Income from continuing operations		194,382		554,853
Income from continuing operations attributable to noncontrolling interest		(38)		(180)
Income from continuing operations attributable to Joy Global Inc.	183,187	194,344	507,105	554,673
ASSETS
Current assets	3,100,136		3,100,136		3,156,077
Property, plant and equipment, net	893,326		893,326		832,862
Goodwill and intangible assets, net	1,972,631		1,972,631		1,971,582
Other assets	223,144		223,144		181,982
Total assets	6,189,237		6,189,237		6,142,503
LIABILITIES AND SHAREHOLDERS’ EQUITY
Current liabilities	1,524,928		1,524,928		1,767,670
Current liabilities of discontinued operations					13,147
Long-term obligations	1,269,352		1,269,352		1,306,625
Accrued pension costs	236,988		236,988		335,813
Other non-current liabilities	154,627		154,627		142,059
Total liabilities	3,185,895		3,185,895		3,565,314
Shareholders’ equity	3,003,342		3,003,342		2,577,189
Total liabilities and shareholders’ equity	6,189,237		6,189,237		6,142,503
Condensed Consolidating Statement of Cash Flows
Net cash provided by operating activities of continuing operations			443,140	253,021
Net cash used by operating activities of discontinued operations			(1,567)	(15,747)
Net cash provided by operating activities			441,573	237,274
Investing Activities:
Acquisition of controlling interest in International Mining Machinery, net of cash acquired				(955,917)
Withdrawal of cash held in escrow				866,000
Other investing activities, net				(162,171)
Net cash used by investing activities			(115,068)	(252,088)
Net cash used by financing activities			(91,752)	186,897
Effect of exchange rate changes on cash and cash equivalents			(12,576)	(6,167)
Increase (decrease) in Cash and Cash Equivalents			222,177	165,916
Cash and Cash Equivalents at Beginning of Period			263,873	288,321
Cash and Cash Equivalents at End of Period	$ 486,050	$ 454,237	$ 486,050	$ 454,237