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Fair Value Measurements (Tables) | 6 Months Ended
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Jun. 30, 2019
Fair Value Disclosures [Abstract] |
Schedule of fair value of assets and liabilities measured on recurring basis | The following tables set forth our assets and liabilities that were measured at fair value on a recurring basis by level within the fair value hierarchy:
(in thousands) |  |  |  |  |  |  |  |
As of June 30, 2019 |  | Quoted Prices in Active Markets for Identical Assets (Level 1) |  | Significant Other Observable Inputs (Level 2) |  | Significant Unobservable Inputs (Level 3) |  | Balance at June 30, 2019
﻿ |  |  |  |  |  |  |  |  |  |  |  |
Assets |  |  |  |  |  |  |  |  |  |  |  |
Money market funds(1) |  | $ | 257 |  |  | $ | — |  |  | $ | — |  |  | $ | 257 |
Equity mutual funds(2) |  | $ | 1,779 |  |  | $ | — |  |  | $ | — |  |  | $ | 1,779 |
Cross currency swaps(3) |  | $ | — |  |  | $ | 2,930 |  |  | $ | — |  |  | $ | 2,930 |
Foreign currency exchange contracts(3) |  | $ | — |  |  | $ | 5,476 |  |  | $ | — |  |  | $ | 5,476 |
Liabilities |  |  |  |  |  |  |  |
Foreign currency exchange contracts(3) |  | $ | — |  |  | $ | 857 |  |  | $ | — |  |  | $ | 857 |
Deferred compensation(4) |  | $ | 1,779 |  |  | $ | — |  |  | $ | — |  |  | $ | 1,779 |
(in thousands) |  |  |  |  |  |  |  |
As of December 31, 2018 |  | Quoted Prices in Active Markets for Identical Assets (Level 1) |  | Significant Other Observable Inputs (Level 2) |  | Significant Unobservable Inputs (Level 3) |  | Balance at December 31, 2018
﻿ |  |  |  |  |  |  |  |  |  |  |  |
Assets |  |  |  |  |  |  |  |  |  |  |  |
Money market funds(1) |  | $ | 250 |  |  | $ | — |  |  | $ | — |  |  | $ | 250 |
Equity mutual funds(2) |  | $ | 1,673 |  |  | $ | — |  |  | $ | — |  |  | $ | 1,673 |
Cross currency swaps(3) |  | $ | — |  |  | $ | 1,789 |  |  | $ | — |  |  | $ | 1,789 |
Foreign currency exchange contracts(3) |  | $ | — |  |  | $ | 8,163 |  |  | $ | — |  |  | $ | 8,163 |
Liabilities |  |  |  |  |  |  |  |
Foreign currency exchange contracts(3) |  | $ | — |  |  | $ | 603 |  |  | $ | — |  |  | $ | 603 |
Deferred compensation(4) |  | $ | 1,673 |  |  | $ | — |  |  | $ | — |  |  | $ | 1,673 |
(1) | Money market funds with an original maturity of less than ninety days are included within cash and cash equivalents. The remaining balance of cash and cash equivalents as of June 30, 2019 and December 31, 2018, consisted of demand deposits.
(2) | Equity mutual funds relate to a deferred compensation plan that was assumed as part of a previous business combination. This amount is included within other long-term assets. See footnote (4) below for a discussion of the related deferred compensation liability.
(3) | Cross currency swaps and foreign currency exchange contracts are included within other current assets; other long-term assets; accrued liabilities; or other long-term liabilities depending on the gain (loss) position and anticipated settlement date.
(4) A deferred compensation plan assumed as part of a previous business combination is included within accrued liabilities and other long-term liabilities. The fair value of our deferred compensation plan is indexed to the performance of the underlying equity mutual funds discussed in footnote (2) above.

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- Definition Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19190-110258 + Details
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