Litigation - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Jun. 30, 2013
Loss Contingencies [Line Items]
Damage sought by International Gaming Technology for under payment, description	In early 2012, International Gaming Technology ("IGT") initiated an audit by KPMG LLP ("KPMG") for compliance with the terms of the Game Manufacturers Cashless License Agreement dated October 1, 2006 between the Company and IGT. KPMG's initial findings have been presented to us and aggregate to $25.5 million for under-payments plus $11.1 million in interest. We believe the findings are without merit.
Damage sought by International Gaming Technology for under payment, value	$ 25.5
Damage sought by International Gaming Technology for under payment, interest	$ 11.1