DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 5) (USD $)	12 Months Ended
	Jun. 30, 2012 D Statement	Jun. 30, 2011	Jun. 30, 2010	Jul. 02, 2011 Adoption of new accounting guidance
Depreciation and amortization expense
Depreciation and amortization expense from continuing operations	$ 81,500,000	$ 75,000,000	$ 73,900,000
Portion of depreciation and amortization expenses included in cost of gaming operations	58,700,000	55,100,000	54,500,000
Depreciation and amortization from discontinued operations			2,900,000
Impairment of long-lived assets and goodwill
Impairment charge related to long-lived assets			5,900,000
Revenue recognition
Time-based licenses term	12 months
Period for fee recognition on hardware maintenance and product support arrangements	12 months
Period for software maintenance and product support arrangements	12 months
Advertising costs
Advertising costs incurred	9,300,000	9,600,000	9,100,000
Warranty expense
Parts and labor warranty period on gaming devices (in days)	90
Warranty expense	4,100,000	2,500,000	2,300,000
Income taxes
Percentage of likelihood of realization of recognized tax benefit	50.00%
Recently adopted accounting pronouncements
Cumulative effect adjustment to opening retained earnings				$ 2,400,000
Number of continuous statements	1
Number of separate consecutive statements	2