Legal Proceedings (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended	9 Months Ended
	Jun. 30, 2011	Aug. 16, 1999 Dixie Toga Sao Paulo city services tax for years 1991-1995	Jun. 30, 2011 Dixie Toga Sao Paulo city services tax for years 1991-1995	Jun. 30, 2011 Dixie Toga Sao Paulo city services tax for years 1996-2001	Jun. 30, 2011 Itap Bemis Ltda. Sao Paulo city services tax for years 1996-2001	Jun. 30, 2011 Sao Paulo city services tax for years 2004-2009
Loss contingencies
Number of sites for state law proceedings under environmental matters	17
Estimated city services tax			$ 70.2
Number of annulment actions filed		2
Estimated city services tax and penalties				34.1	10.6
Estimated increase in city service tax and penalties for interest, monetary adjustments and costs				157.5	54.5
Estimated city services tax, penalties and interest						$ 37.9