2.2.0.7 false Fair Value Measurements 0210 - Disclosure - Fair Value Measurements true false false false 1 USD false false USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 USDEPS Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares xbrli 0 Shares Standard http://www.xbrl.org/2003/instance shares xbrli 0 $ 2 Fair Value Measurements [Abstract] 0 us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisAbstract us-gaap true na duration No definition available. false false false false false true false false false false false false 1 false false false false 0 0 false false false xbrli:stringItemType string No definition available. false 3 Fair Value Measurements 1 us-gaap_FairValueMeasurementInputsDisclosureTextBlock us-gaap true na duration No definition available. false false false false false false false false false false false verboselabel false 1 false false false false 0 0   <div style="font-family: 'Times New Roman',Times,serif"> <div align="left" style="font-size: 10pt; margin-top: 12pt"><b>10. Fair Value Measurements</b> </div> <div align="left" style="font-size: 10pt; margin-top: 6pt">     The following table summarizes our financial assets and liabilities as of September 30, 2010, which are measured at fair value on a recurring basis (in thousands): </div> <div align="center"> <table style="font-size: 10pt; text-align: left" cellspacing="0" border="0" cellpadding="0" width="100%">  <tr valign="bottom"> <td width="52%"> </td> <td width="5%"> </td> <td width="3%"> </td> <td width="1%"> </td> <td width="3%"> </td> <td width="5%"> </td> <td width="3%"> </td> <td width="1%"> </td> <td width="3%"> </td> <td width="5%"> </td> <td width="3%"> </td> <td width="1%"> </td> <td width="3%"> </td> <td width="5%"> </td> <td width="3%"> </td> <td width="1%"> </td> <td width="3%"> </td> </tr> <tr style="font-size: 8pt" valign="bottom"> <td> </td> <td> </td> <td> </td> <td> </td> <td> </td> <td> </td> <td nowrap="nowrap" align="center" colspan="3">Quoted Prices</td> <td> </td> <td nowrap="nowrap" align="center" colspan="3"> </td> <td> </td> <td nowrap="nowrap" align="center" colspan="3"> </td> </tr> <tr style="font-size: 8pt" valign="bottom"> <td> </td> <td> </td> <td> </td> <td> </td> <td> </td> <td> </td> <td nowrap="nowrap" align="center" colspan="3">in Active</td> <td> </td> <td nowrap="nowrap" align="center" colspan="3">Significant</td> <td> </td> <td nowrap="nowrap" align="center" colspan="3"> </td> </tr> <tr style="font-size: 8pt" valign="bottom"> <td> </td> <td> </td> <td nowrap="nowrap" align="center" colspan="3">Total</td> <td> </td> <td nowrap="nowrap" align="center" colspan="3">Markets for</td> <td> </td> <td nowrap="nowrap" align="center" colspan="3">Other</td> <td> </td> <td nowrap="nowrap" align="center" colspan="3">Significant</td> </tr> <tr style="font-size: 8pt" valign="bottom"> <td> </td> <td> </td> <td nowrap="nowrap" align="center" colspan="3">Measured</td> <td> </td> <td nowrap="nowrap" align="center" colspan="3">Identical</td> <td> </td> <td nowrap="nowrap" align="center" colspan="3">Observable</td> <td> </td> <td nowrap="nowrap" align="center" colspan="3">Unobservable</td> </tr> <tr style="font-size: 8pt" valign="bottom"> <td> </td> <td> </td> <td nowrap="nowrap" align="center" colspan="3">at Fair</td> <td> </td> <td nowrap="nowrap" align="center" colspan="3">Assets</td> <td> </td> <td nowrap="nowrap" align="center" colspan="3">Inputs</td> <td> </td> <td nowrap="nowrap" align="center" colspan="3">Inputs</td> </tr> <tr style="font-size: 8pt" valign="bottom"> <td> </td> <td> </td> <td nowrap="nowrap" align="center" colspan="3" style="border-bottom: 1px solid #000000">Value</td> <td> </td> <td nowrap="nowrap" align="center" colspan="3" style="border-bottom: 1px solid #000000">(Level 1)</td> <td> </td> <td nowrap="nowrap" align="center" colspan="3" style="border-bottom: 1px solid #000000">(Level 2)</td> <td> </td> <td nowrap="nowrap" align="center" colspan="3" style="border-bottom: 1px solid #000000">(Level 3)</td> </tr>   <tr valign="bottom"> <td> <div style="margin-left:15px; text-indent:-15px">Available for sale and trading securities </div></td> <td> </td> <td align="right">$</td> <td align="right">29,605</td> <td> </td> <td> </td> <td align="right">$</td> <td align="right">29,605</td> <td> </td> <td> </td> <td align="right">$</td> <td align="right">—</td> <td> </td> <td> </td> <td align="right">$</td> <td align="right">—</td> <td> </td> </tr> <tr valign="bottom"> <td> <div style="margin-left:15px; text-indent:-15px">Derivative financial instruments, net </div></td> <td> </td> <td> </td> <td align="right">6,401</td> <td> </td> <td> </td> <td> </td> <td align="right">—</td> <td> </td> <td> </td> <td> </td> <td align="right">6,401</td> <td> </td> <td> </td> <td> </td> <td align="right"> —</td> <td> </td> </tr>  </table> </div> <div align="left" style="font-size: 10pt; margin-top: 6pt">     We determine the fair value of our marketable and available for sale securities based on quoted market prices (Level 1). We generally use derivatives for hedging purposes, which are valued based on Level 2 inputs in the fair value hierarchy. The fair value of our financial instruments is determined by a mark-to-market valuation based on forward curves using observable market prices. </div> <div align="left" style="font-size: 10pt; margin-top: 6pt">     The carrying value of our long-term debt approximates fair value. </div> </div>  <!-- Begin Block Tagged Note false false false us-types:textBlockItemType textblock This element represents the disclosure related to the fair value measurement of assets and liabilities which includes [financial] instruments measured at fair value that are classified in stockholders' equity. Such assets and liabilities may be measured on a recurring or nonrecurring basis. The disclosures which may be required or desired include: (1) for assets and liabilities measured on a recurring basis, disclosure may include: (a) the fair value measurements at the reporting date; (b) 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 or liabilities (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3); (c) for fair value measurements using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances, separately presenting changes during the period attributable to the following: (i) total gains or losses for the period (realized and unrealized), segregating those gains or losses included in earnings (or changes in net assets), and a description of where those gains or losses included in earnings (or changes in net assets) are reported in the statement of income (or activities); (ii) purchases, sales, issuances, and settlements (net); (iii) transfers in and transfers out of Level 3 (for example, transfers due to changes in the observability of significant inputs); (d) the amount of the total gains or losses for the period in subparagraph (c) (i) above included in earnings (or changes in net assets) that are attributable to the change in unrealized gains or losses relating to those assets and liabilities still held at the reporting date and a description of where those unrealized gains or losses are reported in the statement of income (or activities); (e) the valuation technique(s) used to measure fair value and a discussion of changes in valuation techniques, if any, during the period and (2) for assets and liabilities that are measured at fair value on a nonrecurring basis (for example, impaired assets) disclosure may include, in addition to (a) above: (a) the reasons for the fair value measurements recorded; (b) the same as (b) above; (c) for fair value measurements using significant unobservable inputs (Level 3), a description of the inputs and the information used to develop the inputs; and (d) the valuation technique(s) used to measure fair value and a discussion of changes, if any, in the valuation technique(s) used to measure similar assets and/or liabilities in prior periods. 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