Derivatives (Details 2) In Millions, unless otherwise specified	Jun. 30, 2012 Brazilian Real [Member] BRL	Dec. 31, 2011 Brazilian Real [Member] BRL	Jun. 30, 2012 U.S Dollars [Member] USD ($)	Dec. 31, 2011 U.S Dollars [Member] USD ($)	Jun. 30, 2012 Mexican Peso [Member] MXN	Dec. 31, 2011 Mexican Peso [Member] MXN	Dec. 31, 2011 Euros [Member] EUR (€)	Jun. 30, 2012 British Pounds [Member] GBP (£)	Dec. 31, 2011 British Pounds [Member] GBP (£)	Jun. 30, 2012 Indian Rupees [Member] INR
Outstanding foreign currency forward contracts not designated as cash flow hedges
Notional amounts	3.1	4.5	$ 6.0	$ 2.0	269.0	172.0	€ 7.8	£ 5.6	£ 6.5	136.5

Aggregate notional amount of all foreign currency derivatives not designated as hedging instruments. Notional amount refers to the number of currency units specified in the foreign currency derivative contract.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 1A

-Subparagraph (d)

-URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5579245-113959

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Notional Amount

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

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 1B

-URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5580258-113959

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