Annual report pursuant to Section 13 and 15(d)

Schedule II - Valuation and Qualifying Accounts (Details)

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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]      
Balance at Beginning of Year $ 31.0 $ 37.6 $ 47.5
Charges to Profit and Loss 0.9 (3.2) 3.1
Write-offs (7.8) (6.8) (10.6)
Recoveries 0.8 0.7 2.2
Other 2.2 2.7 (4.6)
Balance at End of Year 27.1 31.0 37.6
Valuation Allowance of Deferred Tax Assets [Member]
      
Movement in Valuation Allowances and Reserves [Roll Forward]      
Balance at Beginning of Year 728.4 688.3 603.9
Charges to Profit and Loss (31.2) [1] (6.1) [1] 62.7 [1]
Write-offs (8.3) (12.2) (3.6)
Recoveries 0 0.4 0
Other 28.6 [1] 58.0 [1] 25.3 [1]
Balance at End of Year $ 717.5 $ 728.4 $ 688.3
[1] For the year ended December 31, 2012, the deferred tax asset valuation allowance decreased mainly as a result of tax loss carryforwards being utilized. For the year ended December 31, 2011, the deferred tax asset valuation allowance increased as a result of pension remeasurement, which is recorded in Accumulated other comprehensive loss, and tax credits for which no tax benefit could be recorded. For the year ended December 31, 2010, the deferred tax asset valuation allowance increased as a result of additional tax losses and tax credits for which no tax benefit could be recorded.