FAIR VALUE MEASUREMENTS (Details) - Financial Assets (Liabilities) Not Carried at Fair Value (USD $) In Millions, unless otherwise specified	6 Months Ended	12 Months Ended
	Mar. 31, 2014	Sep. 30, 2013
Jackpot investments Carrying Value	$ 308.3	$ 325.1
Jackpot investments Fair Value	343.1	366.3
Jackpot investments Unrealized Gain (Loss)	34.8	41.2
Contracts & notes receivable Carrying Value	376.0	394.9
Contracts & notes receivable Fair Value	369.5	388.3
Contracts & notes receivable Unrealized Gain (Loss)	(6.5)	(6.6)
Jackpot liabilities Carrying Value	(400.4)	(425.0)
Jackpot liabilities Fair Value	(395.8)	(425.2)
Jackpot liabilities Unrealized Gain (Loss)	4.6	(0.2)
Debt Carrying Value	(2,141.9)	(2,121.9)
Debt Fair Value	(2,293.7)	(2,346.6)
Debt Unrealized Gain (Loss)	(151.8)	(224.7)
Fair Value, Inputs, Level 1 [Member]
Jackpot investments Fair Value	343.1	366.3
Contracts & notes receivable Fair Value	0	0
Jackpot liabilities Fair Value	0	0
Debt Fair Value	(2,293.7)	(2,346.6)
Fair Value, Inputs, Level 2 [Member]
Jackpot investments Fair Value	0	0
Contracts & notes receivable Fair Value	0	0
Jackpot liabilities Fair Value	0	0
Debt Fair Value	0	0
Fair Value, Inputs, Level 3 [Member]
Jackpot investments Fair Value	0	0
Contracts & notes receivable Fair Value	369.5	388.3
Jackpot liabilities Fair Value	(395.8)	(425.2)
Debt Fair Value	$ 0	$ 0