Business Acquisitions Disposition of Assets and Asset Impairments (Details) (USD $) In Millions	Jun. 30, 2011	Jun. 30, 2010
Purchase price:
Cash used in acquisitions, net of cash acquired	$ 28.0	$ 0.8
Acquired various solid waste businesses [Member]
Purchase price:
Cash used in acquisitions, net of cash acquired	28.0	0.8
Fair value of operations surrendered	47.8	0
Holdbacks	1.0	0.5
Total	76.8	1.3
Allocated as follows:
Working capital	6.4	0
Property and equipment	41.6	0.9
Other liabilities, net	(6.5)	(0.2)
Net book value of assets acquired and liabilities assumed	41.5	0.7
Excess purchase price to be allocated	35.3	0.6
Excess purchase price to be allocated as follows:
Other intangible assets	24.5	0.6
Goodwill	10.8	0
Total allocated	$ 35.3	$ 0.6

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Business acquisition excess purchase price allocation.

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Business acquisition purchase price allocation working capital surplus.

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Amount of cash paid to acquire the entity.

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The total cost of the acquired entity including the cash paid to shareholders of acquired entities, fair value of debt and equity securities issued to shareholders of acquired entities, the fair value of the liabilities assumed, and direct costs of the acquisition.

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The amount of acquisition cost of a business combination allocated to an identifiable intangible asset that will be amortized.

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The total purchase price of the acquired entity. This includes cash paid to equity interest holders of the acquired entity, fair value of debt and equity securities issued to equity holders of the acquired entity, and transaction costs paid to third parties to consummate the acquisition.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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Amount of goodwill arising from a business combination, which is the excess of the cost of the acquired entity over the amounts assigned to assets acquired and liabilities assumed.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 141
-Paragraph 52
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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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The amount of acquisition cost of a business combination allocated to other noncurrent liabilities of the acquired entity.

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The amount of acquisition cost of a business combination allocated to property, plant and equipment to be used in ongoing operations.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 141
-Paragraph 51
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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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