CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended				9 Months Ended
	Mar. 31, 2012		Mar. 31, 2011		Mar. 31, 2012		Mar. 31, 2011
Revenues:
Gaming equipment and systems	$ 136,032		$ 110,909		$ 370,262		$ 308,136
Gaming operations	92,508		80,032		263,702		236,339
Total revenues	228,540		190,941		633,964		544,475
Costs and expenses:
Cost of gaming equipment and systems	59,046	[1]	47,275	[1]	160,220	[1]	127,262	[1]
Cost of gaming operations	25,017		20,906		73,107		65,820
Selling, general and administrative	63,764		57,562		182,290		164,361
Research and development costs	24,838		22,088		70,601		64,832
Depreciation and amortization	5,648		5,208		17,089		14,579
Total costs and expenses	178,313		153,039		503,307		436,854
Operating income	50,227		37,902		130,657		107,621
Other income (expense):
Interest income	1,225		1,276		3,695		3,616
Interest expense	(4,150)		(2,855)		(13,232)		(8,885)
Other, net	325		1,106		(2,259)		2,630
Income from continuing operations before income taxes	47,627		37,429		118,861		104,982
Income tax expense	(17,713)		(13,651)		(44,254)		(32,283)
Income from continuing operations	29,914		23,778		74,607		72,699
Loss on sale of discontinued operations, net of tax							(403)
Net income	29,914		23,778		74,607		72,296
Less net income (loss) attributable to noncontrolling interests	(53)		12		(20)		(511)
Net income attributable to Bally Technologies, Inc.	29,967		23,766		74,627		72,807
Basic earnings per share attributable to Bally Technologies, Inc.:
Income from continuing operations (in dollars per share)	$ 0.70		$ 0.45		$ 1.73		$ 1.38
Loss on sale of discontinued operations (in dollars per share)							$ (0.01)
Basic earnings per share (in dollars per share)	$ 0.70		$ 0.45		$ 1.73		$ 1.37
Diluted earnings per share attributable to Bally Technologies, Inc.:
Income from continuing operations (in dollars per share)	$ 0.67		$ 0.43		$ 1.65		$ 1.31
Loss on sale of discontinued operations (in dollars per share)							$ (0.01)
Diluted earnings per share (in dollars per share)	$ 0.67		$ 0.43		$ 1.65		$ 1.30
Weighted average shares outstanding:
Basic (in shares)	43,087		52,923		43,229		53,311
Diluted (in shares)	45,052		55,527		45,138		55,849
Amounts attributable to Bally Technologies, Inc.:
Income from continuing operations, net of tax	29,967		23,766		74,627		73,210
Loss on sale of discontinued operations, net of tax							(403)
Net income	$ 29,967		$ 23,766		$ 74,627		$ 72,807

[1] Cost of gaming equipment and systems exclude amortization related to certain intangibles, including core technology and license rights, which are included in depreciation and amortization.