Guarantees and Warranties (Details) (USD $) In Thousands	9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Dec. 31, 2010
Warranty Liability
Balance at beginning of year	$ 100,300	$ 110,800
Accruals	21,700	18,900
Settlements	(13,100)	(10,100)
Adjustments to provisions, including foreign currency translation	(11,300)	(18,200)
Balance at end of period	97,600	101,400
Amount we are contingently liable for under standby letters of credit, bank guarantees and surety bonds	1,114,900		1,010,600
Environmental Indemnifications [Member]
Maximum Potential Payment	No limit
Carrying Amount of Liability	8,000		8,400
Tax Indemnifications [Member]
Maximum Potential Payment	No limit
Carrying Amount of Liability	$ 0		$ 0