Guarantees (Details) (USD $)	3 Months Ended
	Mar. 31, 2012
Outstanding environmental remediation and indemnification and financial guarantees
Maximum Potential Payment	No limit
Components of carrying amount of service and product warranties
Balance at December 31, 2011	$ 157,900,000
Net provisions for warranties issued during the period	11,000,000
Net change to warranties existing at the beginning of the year	(4,600,000)
Payments	(14,800,000)
Foreign currency translation and other	2,000,000
Balance at March 31, 2012	151,500,000
Environmental remediation and other indemnifications [Member]
Outstanding environmental remediation and indemnification and financial guarantees
Carrying Amount of Liability	12,700,000
Guarantees of residual value on leases [Member]
Outstanding environmental remediation and indemnification and financial guarantees
Maximum Potential Payment	28,100,000
Guarantees of JV debt and other financial instruments [Member]
Outstanding environmental remediation and indemnification and financial guarantees
Maximum Potential Payment	$ 49,600,000