DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 6) (USD $)	12 Months Ended			0 Months Ended
	Jun. 30, 2013 statement	Jun. 30, 2012	Jun. 30, 2011	Jul. 02, 2012 Adoption of new accounting guidance	Jul. 02, 2011 Adoption of new accounting guidance
Depreciation and amortization expense
Depreciation and amortization expense from continuing operations	$ 88,272,000	$ 81,453,000	$ 74,980,000
Portion of depreciation and amortization expenses included in cost of gaming equipment and systems and cost of gaming operations	65,600,000	58,700,000	55,100,000
Impairment of long-lived assets and goodwill
Impairment charge related to long-lived assets	0	0	0
Impairment charges related to goodwill	0	0	0
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	10,000,000	9,300,000	9,600,000
Warranty expense
Parts and labor warranty period on gaming devices	90 days
Warranty expense	3,600,000	4,100,000	2,500,000
Indemnity costs incurred	0	0	0
Indemnity costs accrued	0	0	0
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
Cumulative effect adjustment to opening retained earnings				$ 2,400,000