v2.4.0.6

Business Acquisitions, Disposition of Assets, Asset Impairments and Restructuring Charges (Details Textual) (USD $) In Millions, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2010	Sep. 30, 2010	Jun. 30, 2010	Mar. 31, 2010	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Business Acquisitions Disposition of Assets Asset Impairments and Restructuring Charges (Textual) [Abstract]
Proceeds from dispositions of assets impairment									$ 14.2	$ 4.0	$ 153.5
Gain (loss) on disposition of businesses									21.0		(10.2)
Impairment loss related to long lived assets									20.4	15.1	7.1
Restructuring and integration charges					1.8	2.6	1.4	5.6		11.4	63.2
Aggregate amount of cash used for business acquisitions	42.6				58.9				42.6	58.9
Loss (gain) on disposition of assets and impairments, net	3.3	5.8	19.4	(0.4)	(8.0)	25.5	1.1	0.5	28.1	19.1	(137.0)
Business Acquisition [Line Items]
(loss) on disposition of assets, net									(43.0)	(11.2)	(147.1)
Severance and other termination benefits [Member]
Business Acquisition [Line Items]
Severance and other termination benefit	0.3								0.3
Southern Region [Member]
Business Acquisition [Line Items]
Asset impairment charges									28.7
Miami-Dade County [Member]
Business Acquisition [Line Items]
(loss) on disposition of assets, net											$ (10.2)

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Loss on disposition of assets and impairments, net.

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Amount of cash paid to acquire the entity.

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The gain (loss) resulting from the sale of a disposal group that is not a discontinued operation. It is included in income from continuing operations before income taxes in the income statement.

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The gains (losses) included in earnings resulting from the sale or disposal of tangible assets. This item does not include any gain (loss) recognized on the sale of oil and gas property or timber property.

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The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale).

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