XML 40 R24.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Fair Value Measurements (Tables) | 3 Months Ended
--- | ---
Dec. 31, 2014
Fair Value Disclosures [Abstract] |
Summary of Fair Value of Our Money Market Mutual Funds, Municipal Bonds and Certificates of Deposit | Assets measured or disclosed at fair value on a recurring basis consisted of the following:
|  |  |  | Fair Value Measurements Using
|  | December 31, 2014 |  | Quoted Prices in Active Markets for Identical Assets (Level 1) |  | Significant Other Observable Inputs (Level 2) |  | Significant Unobservable Inputs (Level 3)
Money market funds |  | $ | 16,356 |  |  | $ | 16,356 |  |  | $ | — |  |  | $ | — |
Corporate bonds |  | 22,276 |  |  | 22,276 |  |  | — |  |  | — |
Municipal bonds |  | 30,705 |  |  | — |  |  | 30,705 |  |  | — |
Commercial paper |  | 6,751 |  |  | — |  |  | 6,751 |  |  | — |
Certificates of deposit |  | 5,216 |  |  | — |  |  | 5,216 |  |  | — |
Total assets at fair value on a recurring basis |  | $ | 81,304 |  |  | $ | 38,632 |  |  | $ | 42,672 |  |  | $ | — |
|  |  |  | Fair Value Measurements Using
|  | September 30, 2014 |  | Quoted Prices in Active Markets for Identical Assets (Level 1) |  | Significant Other Observable Inputs (Level 2) |  | Significant Unobservable Inputs (Level 3)
Money market funds |  | $ | 29,995 |  |  | $ | 29,995 |  |  | $ | — |  |  | $ | — |
Corporate bonds |  | 20,854 |  |  | 20,854 |  |  | — |  |  | — |
Municipal bonds |  | 31,151 |  |  | — |  |  | 31,151 |  |  | — |
Certificates of deposit |  | 5,149 |  |  | — |  |  | 5,149 |  |  | — |
Total assets at fair value on a recurring basis |  | $ | 87,149 |  |  | $ | 50,849 |  |  | $ | 36,300 |  |  | $ | — |
Our Level 2 investments are valued using readily available pricing sources which utilize market observable inputs, including the current interest rate for similar types of instruments.

X
- Definition Tabular disclosure of assets, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, by class 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=36462937&loc=d3e19190-110258 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a),(b) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueAssetsMeasuredOnRecurringBasisTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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