Derivatives (Details 2) In Millions, unless otherwise specified	Dec. 31, 2011 Brazilian Reals [Member] BRL	Dec. 31, 2010 Brazilian Reals [Member] BRL	Dec. 31, 2011 U.S Dollars [Member] USD ($)	Dec. 31, 2011 Mexican Peso [Member] MXN	Dec. 31, 2010 Mexican Peso [Member] MXN	Dec. 31, 2011 Euros [Member] EUR (€)	Dec. 31, 2010 Euros [Member] EUR (€)	Dec. 31, 2011 British Pounds [Member] GBP (£)	Dec. 31, 2010 British Pounds [Member] GBP (£)
Outstanding foreign currency forward contracts not designated as cash flow hedges
Notional amounts	4.5	5.6	$ 2.0	172.0	138.0	€ 7.8	€ 15.6	£ 6.5	£ 2.0

Aggregate notional amount of all derivatives not designated as a hedging instrument. The notional amount relates to a number of currency units, shares, bushels, pounds, or other units specified in a derivative instrument.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Notional Amount

-URI http://asc.fasb.org/extlink&oid=6519104

Name:	us-gaap_NotionalAmountOfOtherDerivativesNotDesignatedAsHedgingInstruments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant