Fair value before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 20

-Section 55

-Paragraph 7

-URI http://asc.fasb.org/extlink&oid=28370219&loc=SL20226000-175313

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 20

-Section 50

-Paragraph 3

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=20225523&loc=SL20225862-175312

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 4B

-Subparagraph (a),(c)

-URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624163-113959

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Financial Instruments (Details) In Thousands, unless otherwise specified	Sep. 30, 2013 Designated as Hedging Instrument [Member] USD ($)	Dec. 31, 2012 Designated as Hedging Instrument [Member] USD ($)	Sep. 30, 2013 Not Designated as Hedging Instrument [Member] USD ($)	Sep. 30, 2013 Cross Currency Interest Rate Contract [Member] Designated as Hedging Instrument [Member] USD ($)	Sep. 30, 2013 Cross Currency Interest Rate Contract [Member] Designated as Hedging Instrument [Member] CHF	Sep. 30, 2013 Cross Currency Interest Rate Contract [Member] Designated as Hedging Instrument [Member] Other Liabilities [Member] USD ($)	Dec. 31, 2012 Cross Currency Interest Rate Contract [Member] Designated as Hedging Instrument [Member] Other Liabilities [Member] USD ($)	Sep. 30, 2013 Foreign Exchange Forward [Member] Designated as Hedging Instrument [Member] Prepaid and Other Current Assets [Member] USD ($)	Dec. 31, 2012 Foreign Exchange Forward [Member] Designated as Hedging Instrument [Member] Prepaid and Other Current Assets [Member] USD ($)	Sep. 30, 2013 Foreign Exchange Forward [Member] Designated as Hedging Instrument [Member] Other Accrued Expenses [Member] USD ($)	Dec. 31, 2012 Foreign Exchange Forward [Member] Designated as Hedging Instrument [Member] Other Accrued Expenses [Member] USD ($)
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount	$ 46,733	$ 9,090	$ 88,321	$ 50,000	65,100
Fair Value - Asset								323	85
Fair Value - Liability						$ 22,750	$ 22,681			$ 208	$ 799