CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended				6 Months Ended
	Dec. 31, 2012		Dec. 31, 2011		Dec. 31, 2012		Dec. 31, 2011
Revenues:
Gaming equipment and systems	$ 139,323		$ 124,217		$ 273,334		$ 234,230
Gaming operations	99,016		86,240		200,156		171,194
Total revenues	238,339		210,457		473,490		405,424
Costs and expenses:
Cost of gaming equipment and systems	52,205	[1]	54,073	[1]	107,559	[1]	101,174	[1]
Cost of gaming operations	29,335		23,858		60,328		48,090
Selling, general and administrative	67,852		61,304		132,368		118,526
Research and development costs	26,599		22,377		51,694		45,763
Depreciation and amortization	5,687		5,806		11,291		11,441
Total costs and expenses	181,678		167,418		363,240		324,994
Operating income	56,661		43,039		110,250		80,430
Other income (expense):
Interest income	1,403		1,146		2,547		2,470
Interest expense	(4,538)		(4,485)		(9,155)		(9,082)
Other, net	(1,059)		(728)		(1,802)		(2,584)
Income from operations before income taxes	52,467		38,972		101,840		71,234
Income tax expense	(19,389)		(14,688)		(37,818)		(26,541)
Net income	33,078		24,284		64,022		44,693
Less net income (loss) attributable to noncontrolling interests	(48)		16		(1,636)		33
Net income attributable to Bally Technologies, Inc.	$ 33,126		$ 24,268		$ 65,658		$ 44,660
Basic and Diluted earnings per share attributable to Bally Technologies, Inc.:
Basic earnings per share (in dollars per share)	$ 0.82		$ 0.57		$ 1.62		$ 1.03
Diluted earnings per share (in dollars per share)	$ 0.80		$ 0.54		$ 1.57		$ 0.99
Weighted average shares outstanding:
Basic (in shares)	40,399		42,870		40,633		43,296
Diluted (in shares)	41,494		44,771		41,805		45,176

[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.