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Securities And Equity Investments | 9 Months Ended
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Jun. 30, 2012
Securities and Equity Investments [Abstract] |
Related Party Transaction | Investment in EnerTech Capital Partners II L.P. O ur investment in EnerTech wa s approximately 2 of the overall ownership in EnerT ech at June 30, 2012 and September 30, 2011. As such, we account ed for this investment using the cost method of accounting. EnerTech's investment portfolio periodically results in unrealized losses ref lecting a possible, other-than-temporary i mpairment of our investment. If the facts arise that lead us to determine that any unrealized losses are not temporary, we would write-down our investment in EnerTech through a charge to other expense in the period of such determination. During the three months ended June 30, 2012, we collected a distribution of $83, reducing our carrying value. The carrying value of our investment in EnerTech at June 30, 2012 and September 30, 2011 was $919 and $1,003, respectively, and is currently recorded as a component of Other Non-Current Assets in our Consolidated Balance Sheets. The following table presents the reconciliation of the carrying val ue and unrealized gains to the fair value of the investment in EnerTech as of June 30, 2012 and September 30, 2011:
|  | June 30, |  | September 30,
|  | 2012 |  | 2011
Carrying value |  | $ | 919 |  | $ | 1,003
Unrealized gains (losses) |  |  | 64 |  |  | -
Fair value |  | $ | 983 |  | $ | 1,003
On December 31, 20 1 1, EnerTech's general partner, with the consent of the fund's investors, extended the fund through December 31, 201 2. The fund will terminate on this date unless extended by the fund's valuation committee. The fund may be extended for another one-year period through December 31, 201 3 with the consent of the fund's valuation committee. Arbinet Corporation On May 15, 2006, we received a distribution from the investment in EnerTech of 32,967 shares in Arbinet Corporation. We sold these shares in fiscal 2011; accordingly, t he amount of unrealized holding losses included in other comprehensive income at June 30, 2012 and 2010 is ##D<BS_AccOthCompIncCQ> and ##D<BS_AccOthCompIncPYE>, respectively.

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- Definition The entire disclosure for related party transactions, including the nature of the relationship(s), a description of the transactions, the amount of the transactions, the effects of any change in the method of establishing the terms of the transaction from the previous period, stated interest rate, expiration date, terms and manner of settlement per the agreement with the related party, and amounts due to or from related parties. If the entity and one or more other entities are under common ownership or management control and this control affects the operating results or financial position, disclosure includes the nature of the control relationship even if there are no transactions between the entities. Disclosure may also include the aggregate amount of current and deferred tax expense for each statement of earnings presented where the entity is a member of a group that files a consolidated tax return, the amount of any tax related balances due to or from affiliates as of the date of each statement of financial position presented, the principal provisions of the method by which the consolidated amount of current and deferred tax expense is allocated to the members of the group and the nature and effect of any changes in that method. Examples of related party transactions include transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners; and (d) affiliates. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(k)) -URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 3A -Section 04 -Paragraph b Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 57 -Paragraph 1-4 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39678-107864 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 4 -Section 08 -Paragraph k Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39691-107864 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39622-107864 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39603-107864 + Details
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