Commitments and Contingencies (Details) (USD $)	6 Months Ended
	Mar. 31, 2013 appeal
Loss Contingencies [Line Items]
Pending claims (lawsuits)	2
Expected payment of tax settlement	$ 2,300,000
Income tax examination, liability recorded	2,800,000
Multimedia Games de Mexico [Member] | 2006 [Member] | Foreign Tax Authority
Loss Contingencies [Line Items]
Tax settlements	24,000
Pending appeals (appeals)	1
Expected payment of tax settlement	2,300,000
Multimedia Games de Mexico [Member] | 2007 | Foreign Tax Authority
Loss Contingencies [Line Items]
Income tax appeal expected assessment maximum	2,900,000
Expected payment of tax settlement	15,500,000
Income tax appeal bond pledged as collateral	3,000,000
Multimedia Games de Mexico [Member] | Financial Standby Letter of Credit | 2007 | Foreign Tax Authority
Loss Contingencies [Line Items]
Outstanding letter of credit	$ 3,500,000