Maximum period 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, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 30

-Section 50

-Paragraph 1

-Subparagraph (d)

-URI http://asc.fasb.org/extlink&oid=7668309&loc=d3e80748-113994

Name:	us-gaap_MaximumLengthOfTimeHedgedInInterestRateCashFlowHedge1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Derivatives and Hedging Activities (Details Textual) (USD $) In Millions, unless otherwise specified			12 Months Ended
	Dec. 31, 2013 Forward Exchange Contracts [Member] Minimum [Member]	Dec. 31, 2013 Forward Exchange Contracts [Member] Maximum [Member]	Dec. 31, 2013 Interest Rate Swap Agreements [Member]	Dec. 31, 2013 Designated as Hedging Instrument [Member] Forward Exchange Contracts [Member]	Dec. 31, 2013 Designated as Hedging Instrument [Member] Interest Rate Swap Agreements [Member]	Dec. 31, 2012 Designated as Hedging Instrument [Member] Interest Rate Swap Agreements [Member]	Dec. 31, 2013 Nondesignated [Member] Forward Exchange Contracts [Member]	Dec. 31, 2012 Nondesignated [Member] Forward Exchange Contracts [Member]
Derivative [Line Items]
Derivative, notional amount				$ 6.2	$ 140.0	$ 275.0	$ 610.7	$ 608.9
Period of forward exchange contracts	2 days	27 months
Maximum remaining length of interest rate swap contract			18 months