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Fair-Value Measurements (Tables) | 6 Months Ended
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Jun. 30, 2015
Fair-Value Measurements [Abstract] |
Schedule of Fair Value of Financial Assets and Liabilities |
|  |  | June 30, 2015 |  | December 31, 2014
|  |  | Quoted prices in active markets |  | Significant other observable inputs |  | Quoted prices in active markets |  | Significant other observable inputs
(in thousands) |  |  | (Level 1) |  | (Level 2) |  | (Level 1) |  | (Level 2)
Fair Value |  |  |  |  |  |  |  |  |  |  |  |  |
Assets: |  |  |  |  |  |  |  |  |  |  |  |  |
Cash equivalents |  |  | $ | 23,432 |  |  |  | $ | - |  |  |  | $ | 14,096 |  |  |  | $ | - |  |
Prepaid expenses and other current assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Foreign currency options |  |  |  | 78 |  |  |  |  | - |  |  |  |  | 69 |  |  |  |  | - |  |
Other Assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock of unaffiliated foreign public company |  |  |  | 913 |  |  |  |  | - |  |  |  |  | 701 |  |  |  |  | - |  |
Liabilities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other noncurrent liabilities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate swaps |  |  |  | - |  |  |  |  | (1,679 | ) | (a) |  |  | - |  |  |  |  | (1,411 | ) | (b)
| (a) | Net of $3.0 million receivable floating leg and $4.7 million liability fixed leg
| (b) | Net of $4.3 million receivable floating leg and $5.7 million liability fixed leg
Schedule of (Losses)/Gains on Changes in Fair Value of Derivative Instruments |
|  | Three months ended June 30, |  | Six months ended June 30,
(in thousands) |  | 2015 |  | 2014 |  | 2015 |  | 2014
Derivatives not designated as hedging instruments |  |  |  |  |  |  |  |  |  |
Forward currency options |  | $ | (92 | ) | $ | 80 |  | $ | 125 |  |  | $ | 154 |

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- Definition The entire disclosure of the fair value measurement of assets and liabilities, which includes financial instruments measured at fair value that are classified in shareholders' equity, which may be measured on a recurring or nonrecurring basis. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19279-110258 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19190-110258 + Details
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- Definition Tabular disclosure of the location and amount of derivative instruments and nonderivative instruments designated as hedging instruments reported before netting adjustments, and the amount of gain (loss) on derivative instruments and nonderivative instruments designated and qualified 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 4C -URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5624171-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5618551-113959 + Details
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