XML 32 R12.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Fair Value of Financial Instruments | 3 Months Ended
--- | ---
Mar. 31, 2015
Fair Value Disclosures [Abstract] |
Fair Value of Financial Instruments | Fair Value of Financial Instruments The Company’s financial instruments, other than cash, consist primarily of cash equivalents, short-term investments, accounts receivable, accounts payable and accrued expenses. The carrying value of these financial instruments approximates their fair value. Cash equivalents consist of highly liquid investments with a maturity of three months or less at date of purchase. Short-term investments have a maturity of greater than three months at date of purchase. Cash, cash equivalents and short-term investments consist of the following:
| March 31, 2015 |  | December 31, 2014
| Cost |  | Fair Value |  | Cost |  | Fair Value
Cash and Cash Equivalents: |  |  |  |  |  |  |
Cash and overnight deposits | $ | 548,705 |  |  | 548,705 |  |  | 531,312 |  |  | 531,312 |
Corporate commercial paper | 441,254 |  |  | 441,332 |  |  | 356,468 |  |  | 356,536 |
Time deposits | 43,185 |  |  | 43,185 |  |  | 39,327 |  |  | 39,327 |
Total cash and cash equivalents | 1,033,144 |  |  | 1,033,222 |  |  | 927,107 |  |  | 927,175 |
Short-Term Investments: |  |  |  |  |  |  |
Corporate commercial paper | — |  |  | — |  |  | 40,295 |  |  | 40,350 |
Time deposits | 61 |  |  | 61 |  |  | 41 |  |  | 41 |
Total short-term investments | 61 |  |  | 61 |  |  | 40,336 |  |  | 40,391 |
Total | $ | 1,033,205 |  |  | 1,033,283 |  |  | 967,443 |  |  | 967,566 |
The fair value of corporate commercial paper and time deposits is based on the use of market interest rates for identical or similar assets (Level 2 fair value measurement).

X
- Details
Name: | us-gaap_FairValueDisclosuresAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 21 -URI http://asc.fasb.org/extlink&oid=49121117&loc=d3e13537-108611 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=49121117&loc=d3e13433-108611 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=6957238&loc=d3e14064-108612 Reference 4: 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 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 30 -URI http://asc.fasb.org/extlink&oid=6957238&loc=d3e14172-108612 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 16 -URI http://asc.fasb.org/extlink&oid=49121117&loc=d3e13504-108611 + Details
Name: | us-gaap_FairValueDisclosuresTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration