Consolidated Statements of Comprehensive Income (USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended
Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2010
Revenues
Gaming operations	$ 1,040.0	$ 1,036.5	$ 1,044.2
Product sales	966.8	883.9	843.0
Interactive	143.9	36.6	30.0
Total revenues	2,150.7	1,957.0	1,917.2
Costs and operating expenses
Cost of gaming operations	405.7	403.9	417.3
Cost of product sales	444.5	396.7	398.4
Cost of interactive	62.9	18.0	14.2
Selling, general and administrative	410.4	353.3	330.4
Research and development	217.0	194.7	189.4
Depreciation and amortization	76.9	69.7	74.3
Contingent acquisition related costs	69.1
Impairment and restructuring	42.5	15.8	68.4
Total costs and operating expenses	1,729.0	1,452.1	1,492.4
Operating income	421.7	504.9	424.8
Other income (expense)
Interest income	45.3	51.2	61.1
Interest expense	(122.2)	(130.8)	(161.7)
Other	(2.0)	2.6	(19.3)
Total other income (expense)	(78.9)	(77.0)	(119.9)
Income from continuing operations before tax	342.8	427.9	304.9
Income tax provision	93.1	135.6	85.3
Income from continuing operations	249.7	292.3	219.6
Loss from discontinued operations, net of tax	(3.8)	(8.7)	(33.6)
Net income	245.9	283.6	186.0
Other comprehensive income (loss), net of $0 tax
Foreign currency translation adjustments	13.4	(19.1)	8.3
Unrealized gain (loss) on available-for-sale securities	(0.1)	(0.4)	(3.7)
Comprehensive income	$ 259.2	$ 264.1	$ 190.6
Basic earnings (loss) per share
Continuing operations (in Dollars per share)	$ 0.86	$ 0.98	$ 0.73
Discontinued operations (in Dollars per share)	$ (0.01)	$ (0.03)	$ (0.11)
Net income (in Dollars per share)	$ 0.85	$ 0.95	$ 0.62
Diluted earnings (loss) per share
Continuing operations (in Dollars per share)	$ 0.86	$ 0.97	$ 0.73
Discontinued operations (in Dollars per share)	$ (0.01)	$ (0.03)	$ (0.11)
Net income (in Dollars per share)	$ 0.85	$ 0.94	$ 0.62
Cash dividends declared per share (in Dollars per share)	$ 0.24	$ 0.24	$ 0.24
Weighted average shares outstanding
Basic (in Shares)	288.8	298.2	296.3
Diluted (in Shares)	290.4	299.8	297.8

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Aggregate revenue during the period from the sale of goods in the normal course of business, after deducting returns, allowances and discounts.

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Aggregate revenue during the period for services rendered in the normal course of business (before deducting allowances and discounts) which are not otherwise defined in the taxonomy.

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The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc.

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The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.

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Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.

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