XML 57 R42.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Fair Value Measurements (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2018
Fair Value Measurements [Abstract] |
Schedule Of Fair Value Of Assets And Liabilities Measured On Recurring Basis |
﻿ |  |  |  |  |  |  |  |  |  |  |  |  |
﻿ |  |  | Quoted Prices |  |  | Significant |  |  |  |  |  |  |
﻿ |  |  | in Active |  |  | Other |  |  | Significant |  |  |  |
﻿ |  |  | Markets for |  |  | Observable |  |  | Unobservable |  |  |  |
﻿ |  |  | Identical Assets |  |  | Inputs |  |  | Inputs |  |  | Balance at |
﻿As of March 31, 2018 |  |  | (Level 1) |  |  | (Level 2) |  |  | (Level 3) |  |  | March 31, 2018 |
﻿ |  |  |  |  |  |  |  |  |  |  |  |  |
﻿Assets |  |  |  |  |  |  |  |  |  |  |  |  |
﻿Money market funds(1) |  | $ | 13,246 |  | $ | - |  | $ | - |  | $ | 13,246 |
﻿Equity mutual funds(2) |  | $ | 2,069 |  | $ | - |  | $ | - |  | $ | 2,069 |
﻿Foreign currency exchange contracts(3) |  | $ | - |  | $ | 892 |  | $ | - |  | $ | 892 |
﻿Liabilities |  |  |  |  |  |  |  |  |  |  |  |  |
﻿Foreign currency exchange contracts(3) |  | $ | - |  | $ | 7,741 |  | $ | - |  | $ | 7,741 |
﻿Deferred compensation(4) |  | $ | 2,069 |  | $ | - |  | $ | - |  | $ | 2,069 |
﻿ ﻿ ﻿ ﻿ ﻿ ﻿ ﻿ ﻿ ﻿
﻿ |  |  |  |  |  |  |  |  |  |  |  |  |
﻿ |  |  | Quoted Prices |  |  | Significant |  |  |  |  |  |  |
﻿ |  |  | in Active |  |  | Other |  |  | Significant |  |  |  |
﻿ |  |  | Markets for |  |  | Observable |  |  | Unobservable |  |  |  |
﻿ |  |  | Identical Assets |  |  | Inputs |  |  | Inputs |  |  | Balance at |
﻿As of December 31, 2017 |  |  | (Level 1) |  |  | (Level 2) |  |  | (Level 3) |  |  | December 31, 2017 |
﻿ |  |  |  |  |  |  |  |  |  |  |  |  |
﻿Assets |  |  |  |  |  |  |  |  |  |  |  |  |
﻿Money market funds(1) |  | $ | 32,962 |  | $ | - |  | $ | - |  | $ | 32,962 |
﻿Certificates of deposit(1) |  | $ | - |  | $ | 1,250 |  | $ | - |  | $ | 1,250 |
﻿ |  |  |  |  |  |  |  |  |  |  |  |  |
﻿Marketable Securities |  |  |  |  |  |  |  |  |  |  |  |  |
﻿Corporate bonds |  | $ | - |  | $ | 140,886 |  | $ | - |  | $ | 140,886 |
﻿Certificates of deposit |  |  | - |  |  | 58,510 |  |  | - |  |  | 58,510 |
﻿Commercial paper |  |  | - |  |  | 29,171 |  |  | - |  |  | 29,171 |
﻿Asset backed securities |  |  | - |  |  | 22,167 |  |  | - |  |  | 22,167 |
﻿U.S. government bonds |  |  | - |  |  | 15,611 |  |  | - |  |  | 15,611 |
﻿Agency bonds |  |  | - |  |  | 10,947 |  |  | - |  |  | 10,947 |
﻿Treasury bills |  |  | - |  |  | 6,963 |  |  | - |  |  | 6,963 |
﻿Total marketable securities |  | $ | - |  | $ | 284,255 |  | $ | - |  | $ | 284,255 |
﻿ |  |  |  |  |  |  |  |  |  |  |  |  |
﻿Equity mutual funds(2) |  | $ | 2,162 |  | $ | - |  | $ | - |  | $ | 2,162 |
﻿Foreign currency exchange contracts(3) |  | $ | - |  | $ | 477 |  | $ | - |  | $ | 477 |
﻿Liabilities |  |  |  |  |  |  |  |  |  |  |  |  |
﻿Foreign currency exchange contracts(3) |  | $ | - |  | $ | 6,468 |  | $ | - |  | $ | 6,468 |
﻿Deferred compensation(4) |  | $ | 2,162 |  | $ | - |  | $ | - |  | $ | 2,162 |
_____________
| (1) |  | Money market funds and certificates of deposit with an original maturity of less than ninety days are included within cash and cash equivalents. The remaining balance of cash and cas h equivalents as of March 31, 201 8 and December 31, 201 7, consisted of demand deposits. C ertificates of deposit with an original maturity of over ninety days are included within marketable securities.
| (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) |  | 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.

X
- References No definition available. + Details
Name: | us-gaap_FairValueDisclosuresAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- 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://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=66048111&loc=d3e19190-110258 + Details
Name: | us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration