Fair Value Measurements (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Assets:
Cash Equivalents	$ 17,100	$ 18,800
Fair Value, Measurements, Recurring [Member]
Assets:
Cash Equivalents	17,142	18,755
Foreign Currency Cash Flow Hedge Asset at Fair Value	5,100	7,056
Foreign Currency Derivative Instruments Not Designated As Hedging Instruments Asset At Fair Value	1,194	1,166
Total Assets at Fair Value	23,436	26,977
Liabilities:
Interest Rate Cash Flow Hedge Liability at Fair Value	8,367	4,092
Foreign Currency Derivative Instruments Not Designated As Hedging Instruments Liability At Fair Value	964	625
Total Liabilities at Fair Value	9,331	4,717
Fair Value, Measurements, Recurring [Member] \| Fair Value, Inputs, Level 1 [Member]
Assets:
Cash Equivalents	0	0
Foreign Currency Cash Flow Hedge Asset at Fair Value	0	0
Foreign Currency Derivative Instruments Not Designated As Hedging Instruments Asset At Fair Value	0	0
Total Assets at Fair Value	0	0
Liabilities:
Interest Rate Cash Flow Hedge Liability at Fair Value	0	0
Foreign Currency Derivative Instruments Not Designated As Hedging Instruments Liability At Fair Value	0	0
Total Liabilities at Fair Value	0	0
Fair Value, Measurements, Recurring [Member] \| Fair Value, Inputs, Level 2 [Member]
Assets:
Cash Equivalents	17,142	18,755
Foreign Currency Cash Flow Hedge Asset at Fair Value	5,100	7,056
Foreign Currency Derivative Instruments Not Designated As Hedging Instruments Asset At Fair Value	1,194	1,166
Total Assets at Fair Value	23,436	26,977
Liabilities:
Interest Rate Cash Flow Hedge Liability at Fair Value	8,367	4,092
Foreign Currency Derivative Instruments Not Designated As Hedging Instruments Liability At Fair Value	964	625
Total Liabilities at Fair Value	9,331	4,717
Fair Value, Measurements, Recurring [Member] \| Fair Value, Inputs, Level 3 [Member]
Assets:
Cash Equivalents	0	0
Foreign Currency Cash Flow Hedge Asset at Fair Value	0	0
Foreign Currency Derivative Instruments Not Designated As Hedging Instruments Asset At Fair Value	0	0
Total Assets at Fair Value	0	0
Liabilities:
Interest Rate Cash Flow Hedge Liability at Fair Value	0	0
Foreign Currency Derivative Instruments Not Designated As Hedging Instruments Liability At Fair Value	0	0
Total Liabilities at Fair Value	$ 0	$ 0

Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
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Amount of short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.1)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Cash Equivalents
-URI http://asc.fasb.org/extlink&oid=6507016

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Fair value as of the balance sheet date of all foreign currency derivative assets designated as cash flow hedging instruments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4B
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5624163-113959

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Fair value as of the balance sheet date of all foreign currency derivative assets not designated as hedging instruments.

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-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4B
-Subparagraph (c)(2)
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Fair value as of the balance sheet date of all foreign currency derivative liabilities not designated as hedging instruments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4B
-Subparagraph (c)(2)
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Fair value as of the balance sheet date of all interest rate derivative liabilities designated as cash flow hedging instruments.

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Fair value of financial and nonfinancial obligations.

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