Accounts Payable and Accrued Liabilities (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Dec. 31, 2011
Accounts Payable and Accrued Liabilities [Abstract]
Indemnity settlement with BP Exploration and Production Inc.	$ 0	$ 250.0
Trade accounts payable and accruals	676.8	718.8
Advances from customers	1,161.8	1,012.5
Other accruals	588.7	688.4
Total accounts payable and accrued liabilities	2,427.3	2,669.7
Balance, beginning	65.0
Net warranty provisions	14.8
Charges against accrual	(12.6)
Translation and other	0.3
Balance, ending	$ 67.5