DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 3) (USD $)	12 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2009
Depreciation and amortization expense
Depreciation and amortization expense from continuing operations	$ 74,980,000	$ 73,900,000	$ 68,772,000
Portion of depreciation and amortization expenses included in cost of gaming operations	55,100,000	54,500,000	49,800,000
Depreciation expense from leased gaming equipment under capital lease			2,100,000
Depreciation and amortization from discontinued operations		2,900,000	3,300,000
Impairment of long-lived assets and goodwill
Impairment charge related to long-lived assets		5,900,000
Revenue recognition
Time-based licenses term (in months)	12
Period for fee recognition on hardware maintenance and product support arrangements (in months)	12
Period for software maintenance and product support arrangements (in months)	12
Advertising costs
Advertising costs incurred	9,600,000	9,100,000	6,800,000
Warranty expense
Parts and labor warranty period on gaming devices (in days)	90
Warranty expense	2,500,000	2,300,000	3,300,000
Income taxes
Percentage of likelihood of realization of recognized tax benefit (as a percent)	50.00%
Recently adopted accounting pronouncements
Number of levels of US GAAP	2
Reclassification of noncontrolling interests from minority interest to equity			$ 2,400,000
Number of continuous statements	1
Number of separate consecutive statements	2
Buildings and improvements
Estimated useful life of long-lived assets
Estimated useful life, low end of range (in years)	10
Estimated useful life, high end of range (in years)	40
Furniture, fixtures and equipment
Estimated useful life of long-lived assets
Estimated useful life, low end of range (in years)	3
Estimated useful life, high end of range (in years)	7
Leasehold improvements
Estimated useful life of long-lived assets
Estimated useful life, high end of range (in years)	10
Leased gaming equipment
Estimated useful life of long-lived assets
Estimated useful life, low end of range (in years)	2
Estimated useful life, high end of range (in years)	3.5