Consolidated Income Statements (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Revenues
Gaming operations	$ 301.2	$ 267.4	$ 866.2	$ 790.1
Product sales	231.6	221.6	653.4	627.1
Total revenues	532.8	489.0	1,519.6	1,417.2
Costs and operating expenses
Cost of gaming operations	123.0	102.8	346.0	299.2
Cost of product sales	107.2	97.6	305.4	277.4
Selling, general and administrative	104.9	82.5	303.8	253.8
Research and development	55.1	48.5	157.3	146.1
Depreciation and amortization	21.1	16.8	55.8	51.6
Contingent acquisition related costs	26.0		37.8
Total costs and operating expenses	437.3	348.2	1,206.1	1,028.1
Operating income	95.5	140.8	313.5	389.1
Other income (expense)
Interest income	11.0	13.3	33.9	40.0
Interest expense	(30.8)	(30.5)	(90.9)	(101.5)
Other	(1.6)	(1.9)	(6.4)	1.4
Total other income (expense)	(21.4)	(19.1)	(63.4)	(60.1)
Income from continuing operations before tax	74.1	121.7	250.1	329.0
Income tax provision	27.2	29.9	90.5	96.7
Income from continuing operations	46.9	91.8	159.6	232.3
Loss from discontinued operations, net of tax	(0.3)	(4.9)	(1.8)	(2.1)
Net income	$ 46.6	$ 86.9	$ 157.8	$ 230.2
Basic earnings (loss) per share
Continuing operations (in Dollars per share)	$ 0.16	$ 0.31	$ 0.54	$ 0.78
Discontinued operations (in Dollars per share)		$ (0.02)	$ (0.01)	$ (0.01)
Net income (in Dollars per share)	$ 0.16	$ 0.29	$ 0.53	$ 0.77
Diluted earnings (loss) per share
Continuing operations (in Dollars per share)	$ 0.16	$ 0.30	$ 0.54	$ 0.77
Discontinued operations (in Dollars per share)		$ (0.01)	$ (0.01)
Net income (in Dollars per share)	$ 0.16	$ 0.29	$ 0.53	$ 0.77
Cash dividends declared per share (in Dollars per share)	$ 0.06	$ 0.06	$ 0.18	$ 0.18
Weighted average shares outstanding
Basic (in Shares)	292.7	299.2	295.6	298.4
Diluted (in Shares)	294.3	300.7	297.2	299.9