Equity and Noncontrolling Interest (Tables)

6 Months Ended

Apr. 27, 2012

Equity and Noncontrolling Interest [Abstract]

Changes in consolidated equity attributable to Joy Global Inc. and noncontrolling interest

	Quarter Ended April 27, 2012									Quarter Ended April 29, 2011
	Equity Attributable to Joy Global Inc.			Equity Attributable to Noncontrolling Interests			Total Equity			Equity Attributable to Joy Global Inc.			Equity Attributable to Noncontrolling Interests		Total Equity
Beginning balance	$	2,111,034		$	430,652		$	2,541,686		$	1,504,298		$	—	$	1,504,298
Comprehensive income (loss):
Net income		213,588			33			213,621			161,972			—		161,972
Change in pension liability, net of taxes		12,592			—			12,592			5,886			—		5,886
Derivative instrument fair market value adjustment, net of taxes		(1,677	)		—			(1,677	)		371			—		371
Currency translation adjustment		936			4			940			47,179			—		47,179
Total comprehensive income:		225,439			37			225,476			215,408			—		215,408
Other changes in equity:
Cash dividends		(18,512	)		—			(18,512	)		(18,355	)		—		(18,355	)
Purchase of IMM shares from noncontrolling interest		—			(414,302	)		(414,302	)		—			—		—
Other, including share based payment awards and options exercised		10,188			—			10,188			20,768			—		20,768
Ending balance	$	2,328,149		$	16,387		$	2,344,536		$	1,722,119		$	—	$	1,722,119

	Six Months Ended April 27, 2012									Six Months Ended April 29, 2011
	Equity Attributable to Joy Global Inc.			Equity Attributable to Noncontrolling Interests			Total Equity			Equity Attributable to Joy Global Inc.			Equity Attributable to Noncontrolling Interests		Total Equity
Beginning balance	$	1,951,795		$	—		$	1,951,795		$	1,342,366		$	—	$	1,342,366
Acquisition of controlling interest in IMM		—			437,654			437,654			—			—		—
Comprehensive income (loss):
Net income		355,940			142			356,082			264,204			—		264,204
Change in pension liability, net of taxes		21,311			—			21,311			11,772			—		11,772
Derivative instrument fair market value adjustment, net of taxes		(917	)		—			(917	)		(51	)		—		(51	)
Currency translation adjustment		8,252			4			8,256			51,832			—		51,832
Total comprehensive income:		384,586			146			384,732			327,757			—		327,757
Other changes in equity:
Cash dividends		(36,909	)		—			(36,909	)		(36,488	)		—		(36,488	)
Purchase of IMM shares from noncontrolling interest		—			(421,413	)		(421,413	)		—			—		—
Other, including share based payment awards and options exercised		28,677			—			28,677			88,484			—		88,484
Ending balance	$	2,328,149		$	16,387		$	2,344,536		$	1,722,119		$	—	$	1,722,119