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Commitments and Contingencies (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended					9 Months Ended
	Sep. 30, 2011 Environmental	Sep. 30, 2010 Environmental	Sep. 30, 2011 Environmental	Sep. 30, 2010 Environmental	Dec. 31, 2010 Environmental	Sep. 30, 2011 Value-Added Tax Dispute - Case 1	Aug. 31, 2005 Value-Added Tax Dispute - Case 2	Sep. 30, 2011 Asbestos complaints claim case
Commitments and Contingencies
Accruals for environmental matters	$ 2.4		$ 2.4		$ 4.2
Charges related to environmental matters	0.7	0.9	1.5	1.6
Charge related to potential and contingent third party tort claims, before tax						3	3
Charge related to potential and contingent third party tort claims, additional amount						29	11
Charge related to potential and contingent third party tort claims, aggregate amount							14
Approximate number of defendants in claims against the Company								90
Minimum amount of damages								20
Maximum amount of damages								$ 25
Number of pending claims								19,056
Number of claims pending in New York Supreme Court								18,567
Number of claims pending in various counties in a number of state courts, and in certain Federal District Courts								489
Number of claims dismissed to date by stipulation or summary judgment prior to trial								25,634
Number of Active or In Extremis cases in New York County								994