Guarantees (Details) (USD $)	9 Months Ended
Sep. 30, 2011
Components of Carrying amount of service and product warranties
Balance at December 31, 2010	$ 148,500,000
Net provisions for warranties issued during the period	39,700,000
Net change to warranties existing at the beginning of the year	1,600,000
Payments	(36,100,000)
Foreign currency translation and other	4,900,000
Balance at September 30, 2011	158,600,000
Environmental remediation and other indemnifications [Member]
Guarantor Obligations [Line Items]
Carrying Amount of Liability	15,600,000
Guarantees of residual value on leases [Member]
Guarantor Obligations [Line Items]
Maximum Potential Payment	28,100,000
Carrying Amount of Liability	0
Guarantees of JV debt and other financial instruments [Member]
Guarantor Obligations [Line Items]
Maximum Potential Payment	42,100,000
Carrying Amount of Liability	$ 0

Components of Carrying amount of service and product warranties.

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The current carrying amount of the liability for the freestanding or embedded guarantor's obligations under the guarantee or each group of similar guarantees.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions.

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Amount as of the balance sheet date of the aggregate standard product warranty liability. Does not include the balance for the extended product warranty liability.

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Increase or Decrease in standard product warranty liability due to currency translation. Does not include any Increase or Decrease in an extended product warranty liability due to currency translation.

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Represents the aggregate decrease in the liability for payments made (in cash or in kind) to satisfy claims under the terms of the standard product warranty. Does not include any Increase or Decrease in the liability for payments related to extended product warranties.

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Represents the aggregate Increase or Decrease in the liability during the reporting period for accruals related to preexisting standard product warranties (including adjustments related to changes in estimates). Does not include any Increase or Decrease in the liability for accruals related to extended product warranties.

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Represents the aggregate increase in the liability for accruals related to standard product warranties issued during the reporting period. Does not include any increase in the liability for accruals related to extended product warranties.

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