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Note 9 - Commitments and Contingencies (Details) - Changes to Environmental Liabilities (USD $) In Thousands, unless otherwise specified | 3 Months Ended
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Nov. 30, 2013
Changes to Environmental Liabilities [Abstract] |
Balance | $ 19,680
Payments made for which reserves had been provided | (726)
Insurance proceeds received | 485
Interest accretion | 179
Change in discount rates | (188)
Balance | $ 19,430

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- Definition Amount of discount applied to the future cost of environmental remediation to present value. + References No definition available. + Details
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- Definition Amount of interest accretion expense recognized during the period that is associated with environmental remediation costs. Accretion expense measures and incorporates changes due to the passage of time into the carrying amount of the liability. + References No definition available. + Details
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- Definition Recorded amount of the individual components comprising the asset for insurance recoveries related to environmental remediation obligations. + References No definition available. + Details
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- Definition Total costs accrued as of the balance sheet date for environmental loss contingencies. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 30 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=6393242&loc=d3e13207-110859 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 25 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6395460&loc=d3e13647-108346 + Details
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- Definition The aggregate amount disbursed during the reporting period to settle environmental loss contingencies. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 5.Y.Q2) -URI http://asc.fasb.org/extlink&oid=27011672&loc=d3e149879-122751 + Details
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