Note 7 - Property, Plant and Equipment (Detail) - Property, Plant and Equipment (USD $) In Millions, unless otherwise specified	12 Months Ended
Sep. 30, 2012	Sep. 30, 2011
Property, plant and equipment gross	$ 1,416.1	$ 1,374.2
Less accumulated depreciation	(860.4)	(822.1)
Property, plant and equipment, net	555.7	552.1
Land [Member]
Property, plant and equipment gross	62.7	62.6
Building [Member]
Property, plant and equipment gross	236.7	232.8
Useful lives	40 years
Leasehold Improvements [Member] \| Minimum [Member]
Useful lives	1 year
Leasehold Improvements [Member] \| Maximum [Member]
Useful lives	10 years
Leasehold Improvements [Member]
Property, plant and equipment gross	15.3	17.3
Machinery and Equipment [Member] \| Minimum [Member]
Useful lives	3 years
Machinery and Equipment [Member] \| Maximum [Member]
Useful lives	10 years
Machinery and Equipment [Member]
Property, plant and equipment gross	287.9	248.6
Gaming Operations Equipment [Member] \| Minimum [Member]
Useful lives	2 years
Gaming Operations Equipment [Member] \| Maximum [Member]
Useful lives	5 years
Gaming Operations Equipment [Member]
Property, plant and equipment gross	$ 813.5	$ 812.9

The cumulative amount of depreciation, depletion and amortization (related to property, plant and equipment, but not including land) that has been recognized in the income statement.

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Gross amount of long-lived physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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- Definition

Amount, net of accumulated depreciation, depletion and amortization, of long-lived physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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