Commitments And Contingencies (Details) In Millions, unless otherwise specified								2 Months Ended
	Sep. 30, 2012 European legal proceedings [Member] USD ($)	Dec. 31, 2011 European legal proceedings [Member] USD ($)	Sep. 30, 2011 European legal proceedings [Member] USD ($)	Sep. 30, 2012 ATS lawsuits [Member] USD ($)	Sep. 30, 2012 Total number of ATA tort lawsuits [Member]	Feb. 28, 2010 Total number of ATA tort lawsuits [Member]	Sep. 30, 2012 Italian customs and tax cases [Member]	Jul. 31, 2011 2004 - 2005 Cases [Member] USD ($)	Jul. 31, 2011 2004 - 2005 Cases [Member] EUR (€)	Sep. 30, 2012 2004 - 2005 Cases [Member] USD ($)	Sep. 30, 2012 2004 - 2005 Cases [Member] EUR (€)	Sep. 30, 2012 2004 - 2005 Cases [Member] 2004 cases - direct import challenge [Member] USD ($)	Sep. 30, 2012 2004 - 2005 Cases [Member] 2004 cases - direct import challenge [Member] EUR (€)	Sep. 30, 2012 2004 - 2005 Cases [Member] 2005 cases - direct import challenge [Member] USD ($)	Sep. 30, 2012 2004 - 2005 Cases [Member] 2005 cases - direct import challenge [Member] EUR (€)
Loss Contingency Accrual, at Carrying Value	$ 3	$ 3	$ 4
Loss contingency, pending claims, number				9	4
Loss contingency, ATS lawsuits, number of alleged victims				6,000
Number of lawsuits seeking unspecified compensatory and punitive damages as well as attorneys' fees and costs				8
Number of lawsuits seeking treble damages and disgorgement of profits without explanation				1
Specific demand in compensatory damage				10
Specific demand in punitive damage				10
Number of lawsuits for which the motion to dismiss was granted in part and denied in part						1
Number of jurisdictions where civil customs proceedings were ultimately brought and are now pending							4
Claim amount												17.0	13.0	25.0	19.0
Tax settlement paid										4	3
Pricing adjustment paid for 2006 through 2009								$ 3	€ 2