Schedule II - Valuation and Qualifying Accounts (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2012		Dec. 31, 2011		Dec. 31, 2010
Allowance for Doubtful Accounts [Member]
Movement in Valuation Allowances and Reserves [Roll Forward]
Beginning balance	$ 21.2	[1]	$ 25.1		$ 25.9
Impact of foreign currency exchange rate changes	0.3		(0.2)		(2.6)
Provision	21.9	[1]	4.4		4.9
Write-offs	5.1		8.1		3.1
Ending balance	38.3	[1]	21.2	[1]	25.1
Valuation Allowance of Deferred Tax Assets [Member]
Movement in Valuation Allowances and Reserves [Roll Forward]
Beginning balance	40.0		38.9		24.2
Provision	31.6		6.5		10.2
Changes attributable to acquisitions and dispositions	0.4		0		0
Changes impacting equity and other movements	6.2		(4.1)		5.2
Write-offs	0.4		1.3		0.7
Ending balance	77.8		40.0		38.9
As Originally Filed [Member] | Allowance for Doubtful Accounts [Member]
Movement in Valuation Allowances and Reserves [Roll Forward]
Beginning balance	17.2		21.1		21.9
Impact of foreign currency exchange rate changes	0.3		(0.2)		(2.6)
Provision	21.9		4.4		4.9
Write-offs	5.1		8.1		3.1
Ending balance	34.3		17.2		21.1
As Originally Filed [Member] | Valuation Allowance of Deferred Tax Assets [Member]
Movement in Valuation Allowances and Reserves [Roll Forward]
Beginning balance	40.1		38.9		24.2
Provision	28.1		6.7		10.2
Changes attributable to acquisitions and dispositions	0.4		0		0
Changes impacting equity and other movements	6.1		(4.2)		5.2
Write-offs	0.4		1.3		0.7
Ending balance	74.3		40.1		38.9
Effect of Restatement [Member] | Allowance for Doubtful Accounts [Member]
Movement in Valuation Allowances and Reserves [Roll Forward]
Beginning balance	4.0		4.0		4.0
Impact of foreign currency exchange rate changes	0		0		0
Provision	0		0		0
Write-offs	0		0		0
Ending balance	4.0		4.0		4.0
Effect of Restatement [Member] | Valuation Allowance of Deferred Tax Assets [Member]
Movement in Valuation Allowances and Reserves [Roll Forward]
Beginning balance	(0.1)		0		0
Provision	3.5		(0.2)		0
Changes attributable to acquisitions and dispositions	0		0		0
Changes impacting equity and other movements	0.1		0.1		0
Write-offs	0		0		0
Ending balance	$ 3.5		$ (0.1)		$ 0

[1] See Note 23 - Restatement of Consolidated Financial Statements