Derivative Instruments and Hedges (Details Textuals) (USD $) In Millions	6 Months Ended
Jun. 30, 2011	Dec. 31, 2010
Derivative Instruments and Hedges (Textuals) [Abstract]
Notional amount in outstanding forward exchange contracts with third parties	$ 495.6	$ 358.5
Period of forward exchange contracts	8 days to 25 months
Notional amount in outstanding interest rate swaps with third parties	$ 340.0	$ 350.0
Maximum remaining length of interest rate swap contract	36 Months

Maximum length of time over which the entity is hedging its exposure to the variability in future cash flows for forecasted transactions, excluding those forecasted transactions related to the payment of variable interest on existing financial instruments.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 133
-Paragraph 45
-Subparagraph b(3)

Name:	us-gaap_MaximumLengthOfTimeHedgedInInterestRateCashFlowHedge
Namespace Prefix:	us-gaap
Data Type:	us-types:durationStringItemType
Balance Type:	na
Period Type:	duration